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Finding the Fourth Proportional to 58,134, 87,201.82 and 16,581

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Solution

The fourth proportional to 58,134, 87,201.82 and 16,581 is: 24,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,134 : 87,201.82 = 16,581 : x
  2. Step 2: Convert to fraction form
    58,134/87,201.82 = 16,581/x
  3. Step 3: Cross multiply
    58,134x = 87,201.82 × 16,581
  4. Step 4: Simplify right side
    58,134x = 1,445,893,377.42
  5. Step 5: Solve for x
    x = 1,445,893,377.42/58,134
  6. Step 6: Final answer
    x = 24,871.73

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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.