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Finding the Fourth Proportional to 10,656,001.80, 15,984,002.70 and 10,404,059.40

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Solution

The fourth proportional to 10,656,001.80, 15,984,002.70 and 10,404,059.40 is: 15,606,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,001.80 : 15,984,002.70 = 10,404,059.40 : x
  2. Step 2: Convert to fraction form
    10,656,001.80/15,984,002.70 = 10,404,059.40/x
  3. Step 3: Cross multiply
    10,656,001.80x = 15,984,002.70 × 10,404,059.40
  4. Step 4: Simplify right side
    10,656,001.80x = 166,298,513,540,560.38
  5. Step 5: Solve for x
    x = 166,298,513,540,560.38/10,656,001.80
  6. Step 6: Final answer
    x = 15,606,089.10

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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.