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Finding the Fourth Proportional to 29,335.81, 43,980.49 and 10,612.93

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Solution

The fourth proportional to 29,335.81, 43,980.49 and 10,612.93 is: 15,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.81 : 43,980.49 = 10,612.93 : x
  2. Step 2: Convert to fraction form
    29,335.81/43,980.49 = 10,612.93/x
  3. Step 3: Cross multiply
    29,335.81x = 43,980.49 × 10,612.93
  4. Step 4: Simplify right side
    29,335.81x = 466,761,861.74
  5. Step 5: Solve for x
    x = 466,761,861.74/29,335.81
  6. Step 6: Final answer
    x = 15,910.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.