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Finding the Fourth Proportional to 10,141.76, 15,213.92 and 3,901.60

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Solution

The fourth proportional to 10,141.76, 15,213.92 and 3,901.60 is: 5,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.76 : 15,213.92 = 3,901.60 : x
  2. Step 2: Convert to fraction form
    10,141.76/15,213.92 = 3,901.60/x
  3. Step 3: Cross multiply
    10,141.76x = 15,213.92 × 3,901.60
  4. Step 4: Simplify right side
    10,141.76x = 59,358,630.27
  5. Step 5: Solve for x
    x = 59,358,630.27/10,141.76
  6. Step 6: Final answer
    x = 5,852.89

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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.