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Finding the Fourth Proportional to 29,719.96, 44,587.68 and 8,659.52

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Solution

The fourth proportional to 29,719.96, 44,587.68 and 8,659.52 is: 12,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.96 : 44,587.68 = 8,659.52 : x
  2. Step 2: Convert to fraction form
    29,719.96/44,587.68 = 8,659.52/x
  3. Step 3: Cross multiply
    29,719.96x = 44,587.68 × 8,659.52
  4. Step 4: Simplify right side
    29,719.96x = 386,107,906.71
  5. Step 5: Solve for x
    x = 386,107,906.71/29,719.96
  6. Step 6: Final answer
    x = 12,991.54

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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.