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Finding the Fourth Proportional to 9,226,807.80, 13,840,211.70 and 9,226,807.80

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Solution

The fourth proportional to 9,226,807.80, 13,840,211.70 and 9,226,807.80 is: 13,840,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226,807.80 : 13,840,211.70 = 9,226,807.80 : x
  2. Step 2: Convert to fraction form
    9,226,807.80/13,840,211.70 = 9,226,807.80/x
  3. Step 3: Cross multiply
    9,226,807.80x = 13,840,211.70 × 9,226,807.80
  4. Step 4: Simplify right side
    9,226,807.80x = 127,700,973,267,211.27
  5. Step 5: Solve for x
    x = 127,700,973,267,211.27/9,226,807.80
  6. Step 6: Final answer
    x = 13,840,211.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.