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Finding the Fourth Proportional to 10,108.44, 15,159.78 and 3,951

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Solution

The fourth proportional to 10,108.44, 15,159.78 and 3,951 is: 5,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.44 : 15,159.78 = 3,951 : x
  2. Step 2: Convert to fraction form
    10,108.44/15,159.78 = 3,951/x
  3. Step 3: Cross multiply
    10,108.44x = 15,159.78 × 3,951
  4. Step 4: Simplify right side
    10,108.44x = 59,896,290.78
  5. Step 5: Solve for x
    x = 59,896,290.78/10,108.44
  6. Step 6: Final answer
    x = 5,925.37

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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.