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Finding the Fourth Proportional to 10,369,840.80, 14,484,184.80 and 10,369,840.80

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Solution

The fourth proportional to 10,369,840.80, 14,484,184.80 and 10,369,840.80 is: 14,484,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,840.80 : 14,484,184.80 = 10,369,840.80 : x
  2. Step 2: Convert to fraction form
    10,369,840.80/14,484,184.80 = 10,369,840.80/x
  3. Step 3: Cross multiply
    10,369,840.80x = 14,484,184.80 × 10,369,840.80
  4. Step 4: Simplify right side
    10,369,840.80x = 150,198,690,493,779.84
  5. Step 5: Solve for x
    x = 150,198,690,493,779.84/10,369,840.80
  6. Step 6: Final answer
    x = 14,484,184.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.