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Finding the Fourth Proportional to 10,061.76, 15,095.70 and 3,136.32

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Solution

The fourth proportional to 10,061.76, 15,095.70 and 3,136.32 is: 4,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.76 : 15,095.70 = 3,136.32 : x
  2. Step 2: Convert to fraction form
    10,061.76/15,095.70 = 3,136.32/x
  3. Step 3: Cross multiply
    10,061.76x = 15,095.70 × 3,136.32
  4. Step 4: Simplify right side
    10,061.76x = 47,344,945.82
  5. Step 5: Solve for x
    x = 47,344,945.82/10,061.76
  6. Step 6: Final answer
    x = 4,705.43

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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.