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Finding the Fourth Proportional to 58,402.96, 87,573.12 and 18,414.47

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Solution

The fourth proportional to 58,402.96, 87,573.12 and 18,414.47 is: 27,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,402.96 : 87,573.12 = 18,414.47 : x
  2. Step 2: Convert to fraction form
    58,402.96/87,573.12 = 18,414.47/x
  3. Step 3: Cross multiply
    58,402.96x = 87,573.12 × 18,414.47
  4. Step 4: Simplify right side
    58,402.96x = 1,612,612,740.92
  5. Step 5: Solve for x
    x = 1,612,612,740.92/58,402.96
  6. Step 6: Final answer
    x = 27,611.83

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1.5x scale

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.