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Finding the Fourth Proportional to 58,921.85, 81,311.81 and 32,064.28

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Solution

The fourth proportional to 58,921.85, 81,311.81 and 32,064.28 is: 44,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.85 : 81,311.81 = 32,064.28 : x
  2. Step 2: Convert to fraction form
    58,921.85/81,311.81 = 32,064.28/x
  3. Step 3: Cross multiply
    58,921.85x = 81,311.81 × 32,064.28
  4. Step 4: Simplify right side
    58,921.85x = 2,607,204,279.55
  5. Step 5: Solve for x
    x = 2,607,204,279.55/58,921.85
  6. Step 6: Final answer
    x = 44,248.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.