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Finding the Fourth Proportional to 10,375.70, 15,569.91 and 5,448.87

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Solution

The fourth proportional to 10,375.70, 15,569.91 and 5,448.87 is: 8,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.70 : 15,569.91 = 5,448.87 : x
  2. Step 2: Convert to fraction form
    10,375.70/15,569.91 = 5,448.87/x
  3. Step 3: Cross multiply
    10,375.70x = 15,569.91 × 5,448.87
  4. Step 4: Simplify right side
    10,375.70x = 84,838,415.50
  5. Step 5: Solve for x
    x = 84,838,415.50/10,375.70
  6. Step 6: Final answer
    x = 8,176.65

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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.