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Finding the Fourth Proportional to 58,281.93, 87,275.27 and 36,138.56

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Solution

The fourth proportional to 58,281.93, 87,275.27 and 36,138.56 is: 54,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.93 : 87,275.27 = 36,138.56 : x
  2. Step 2: Convert to fraction form
    58,281.93/87,275.27 = 36,138.56/x
  3. Step 3: Cross multiply
    58,281.93x = 87,275.27 × 36,138.56
  4. Step 4: Simplify right side
    58,281.93x = 3,154,002,235.38
  5. Step 5: Solve for x
    x = 3,154,002,235.38/58,281.93
  6. Step 6: Final answer
    x = 54,116.30

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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.