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Finding the Fourth Proportional to 58,874, 81,245.80 and 32,016.28

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Solution

The fourth proportional to 58,874, 81,245.80 and 32,016.28 is: 44,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,874 : 81,245.80 = 32,016.28 : x
  2. Step 2: Convert to fraction form
    58,874/81,245.80 = 32,016.28/x
  3. Step 3: Cross multiply
    58,874x = 81,245.80 × 32,016.28
  4. Step 4: Simplify right side
    58,874x = 2,601,188,281.62
  5. Step 5: Solve for x
    x = 2,601,188,281.62/58,874
  6. Step 6: Final answer
    x = 44,182.29

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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.