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Finding the Fourth Proportional to 47,952.66, 71,949.72 and 25,740.10

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Solution

The fourth proportional to 47,952.66, 71,949.72 and 25,740.10 is: 38,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952.66 : 71,949.72 = 25,740.10 : x
  2. Step 2: Convert to fraction form
    47,952.66/71,949.72 = 25,740.10/x
  3. Step 3: Cross multiply
    47,952.66x = 71,949.72 × 25,740.10
  4. Step 4: Simplify right side
    47,952.66x = 1,851,992,624.73
  5. Step 5: Solve for x
    x = 1,851,992,624.73/47,952.66
  6. Step 6: Final answer
    x = 38,621.27

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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.