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Finding the Fourth Proportional to 47,663.40, 71,552.70 and 26,620.20

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Solution

The fourth proportional to 47,663.40, 71,552.70 and 26,620.20 is: 39,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.40 : 71,552.70 = 26,620.20 : x
  2. Step 2: Convert to fraction form
    47,663.40/71,552.70 = 26,620.20/x
  3. Step 3: Cross multiply
    47,663.40x = 71,552.70 × 26,620.20
  4. Step 4: Simplify right side
    47,663.40x = 1,904,747,184.54
  5. Step 5: Solve for x
    x = 1,904,747,184.54/47,663.40
  6. Step 6: Final answer
    x = 39,962.47

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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.