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Finding the Fourth Proportional to 58,872.81, 81,244.85 and 32,015.61

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Solution

The fourth proportional to 58,872.81, 81,244.85 and 32,015.61 is: 44,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,872.81 : 81,244.85 = 32,015.61 : x
  2. Step 2: Convert to fraction form
    58,872.81/81,244.85 = 32,015.61/x
  3. Step 3: Cross multiply
    58,872.81x = 81,244.85 × 32,015.61
  4. Step 4: Simplify right side
    58,872.81x = 2,601,103,432.11
  5. Step 5: Solve for x
    x = 2,601,103,432.11/58,872.81
  6. Step 6: Final answer
    x = 44,181.74

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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.