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Finding the Fourth Proportional to 58,651.18, 87,989.07 and 25,375.97

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Solution

The fourth proportional to 58,651.18, 87,989.07 and 25,375.97 is: 38,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,651.18 : 87,989.07 = 25,375.97 : x
  2. Step 2: Convert to fraction form
    58,651.18/87,989.07 = 25,375.97/x
  3. Step 3: Cross multiply
    58,651.18x = 87,989.07 × 25,375.97
  4. Step 4: Simplify right side
    58,651.18x = 2,232,808,173.04
  5. Step 5: Solve for x
    x = 2,232,808,173.04/58,651.18
  6. Step 6: Final answer
    x = 38,069.28

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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.