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Finding the Fourth Proportional to 71,713.04, 98,895.30 and 47,475.62

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Solution

The fourth proportional to 71,713.04, 98,895.30 and 47,475.62 is: 65,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,713.04 : 98,895.30 = 47,475.62 : x
  2. Step 2: Convert to fraction form
    71,713.04/98,895.30 = 47,475.62/x
  3. Step 3: Cross multiply
    71,713.04x = 98,895.30 × 47,475.62
  4. Step 4: Simplify right side
    71,713.04x = 4,695,115,682.59
  5. Step 5: Solve for x
    x = 4,695,115,682.59/71,713.04
  6. Step 6: Final answer
    x = 65,470.88

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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.