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Finding the Fourth Proportional to 47,061.76, 64,975.62 and 29,175.88

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Solution

The fourth proportional to 47,061.76, 64,975.62 and 29,175.88 is: 40,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,061.76 : 64,975.62 = 29,175.88 : x
  2. Step 2: Convert to fraction form
    47,061.76/64,975.62 = 29,175.88/x
  3. Step 3: Cross multiply
    47,061.76x = 64,975.62 × 29,175.88
  4. Step 4: Simplify right side
    47,061.76x = 1,895,720,892.05
  5. Step 5: Solve for x
    x = 1,895,720,892.05/47,061.76
  6. Step 6: Final answer
    x = 40,281.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.