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Finding the Fourth Proportional to 6,602,760.60, 9,904,140.90 and 5,689,469.40

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Solution

The fourth proportional to 6,602,760.60, 9,904,140.90 and 5,689,469.40 is: 8,534,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,760.60 : 9,904,140.90 = 5,689,469.40 : x
  2. Step 2: Convert to fraction form
    6,602,760.60/9,904,140.90 = 5,689,469.40/x
  3. Step 3: Cross multiply
    6,602,760.60x = 9,904,140.90 × 5,689,469.40
  4. Step 4: Simplify right side
    6,602,760.60x = 56,349,306,583,838.47
  5. Step 5: Solve for x
    x = 56,349,306,583,838.47/6,602,760.60
  6. Step 6: Final answer
    x = 8,534,204.10

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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.