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Finding the Fourth Proportional to 29,376.60, 44,072.19 and 13,776

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Solution

The fourth proportional to 29,376.60, 44,072.19 and 13,776 is: 20,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.60 : 44,072.19 = 13,776 : x
  2. Step 2: Convert to fraction form
    29,376.60/44,072.19 = 13,776/x
  3. Step 3: Cross multiply
    29,376.60x = 44,072.19 × 13,776
  4. Step 4: Simplify right side
    29,376.60x = 607,138,489.44
  5. Step 5: Solve for x
    x = 607,138,489.44/29,376.60
  6. Step 6: Final answer
    x = 20,667.42

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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.