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Finding the Fourth Proportional to 58,132.66, 87,198.72 and 38,499.16

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Solution

The fourth proportional to 58,132.66, 87,198.72 and 38,499.16 is: 57,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,132.66 : 87,198.72 = 38,499.16 : x
  2. Step 2: Convert to fraction form
    58,132.66/87,198.72 = 38,499.16/x
  3. Step 3: Cross multiply
    58,132.66x = 87,198.72 × 38,499.16
  4. Step 4: Simplify right side
    58,132.66x = 3,357,077,473.08
  5. Step 5: Solve for x
    x = 3,357,077,473.08/58,132.66
  6. Step 6: Final answer
    x = 57,748.56

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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.