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Finding the Fourth Proportional to 58,984.41, 88,470.46 and 16,861.76

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Solution

The fourth proportional to 58,984.41, 88,470.46 and 16,861.76 is: 25,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,984.41 : 88,470.46 = 16,861.76 : x
  2. Step 2: Convert to fraction form
    58,984.41/88,470.46 = 16,861.76/x
  3. Step 3: Cross multiply
    58,984.41x = 88,470.46 × 16,861.76
  4. Step 4: Simplify right side
    58,984.41x = 1,491,767,663.61
  5. Step 5: Solve for x
    x = 1,491,767,663.61/58,984.41
  6. Step 6: Final answer
    x = 25,290.88

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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.