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Finding the Fourth Proportional to 58,945.92, 88,369.28 and 25,640.90

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Solution

The fourth proportional to 58,945.92, 88,369.28 and 25,640.90 is: 38,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,945.92 : 88,369.28 = 25,640.90 : x
  2. Step 2: Convert to fraction form
    58,945.92/88,369.28 = 25,640.90/x
  3. Step 3: Cross multiply
    58,945.92x = 88,369.28 × 25,640.90
  4. Step 4: Simplify right side
    58,945.92x = 2,265,867,871.55
  5. Step 5: Solve for x
    x = 2,265,867,871.55/58,945.92
  6. Step 6: Final answer
    x = 38,439.77

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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.