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Finding the Fourth Proportional to 9,421,807.70, 14,132,711.55 and 8,791,951.70

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Solution

The fourth proportional to 9,421,807.70, 14,132,711.55 and 8,791,951.70 is: 13,187,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,807.70 : 14,132,711.55 = 8,791,951.70 : x
  2. Step 2: Convert to fraction form
    9,421,807.70/14,132,711.55 = 8,791,951.70/x
  3. Step 3: Cross multiply
    9,421,807.70x = 14,132,711.55 × 8,791,951.70
  4. Step 4: Simplify right side
    9,421,807.70x = 124,254,117,337,632.12
  5. Step 5: Solve for x
    x = 124,254,117,337,632.12/9,421,807.70
  6. Step 6: Final answer
    x = 13,187,927.55

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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.