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Finding the Fourth Proportional to 58,402.92, 87,619 and 16,849.92

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Solution

The fourth proportional to 58,402.92, 87,619 and 16,849.92 is: 25,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,402.92 : 87,619 = 16,849.92 : x
  2. Step 2: Convert to fraction form
    58,402.92/87,619 = 16,849.92/x
  3. Step 3: Cross multiply
    58,402.92x = 87,619 × 16,849.92
  4. Step 4: Simplify right side
    58,402.92x = 1,476,373,140.48
  5. Step 5: Solve for x
    x = 1,476,373,140.48/58,402.92
  6. Step 6: Final answer
    x = 25,279.10

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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.