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Finding the Fourth Proportional to 57,642.56, 86,490.57 and 24,370.39

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Solution

The fourth proportional to 57,642.56, 86,490.57 and 24,370.39 is: 36,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,642.56 : 86,490.57 = 24,370.39 : x
  2. Step 2: Convert to fraction form
    57,642.56/86,490.57 = 24,370.39/x
  3. Step 3: Cross multiply
    57,642.56x = 86,490.57 × 24,370.39
  4. Step 4: Simplify right side
    57,642.56x = 2,107,808,922.22
  5. Step 5: Solve for x
    x = 2,107,808,922.22/57,642.56
  6. Step 6: Final answer
    x = 36,566.89

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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.