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Finding the Fourth Proportional to 10,375.61, 15,564.27 and 4,373.42

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Solution

The fourth proportional to 10,375.61, 15,564.27 and 4,373.42 is: 6,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.61 : 15,564.27 = 4,373.42 : x
  2. Step 2: Convert to fraction form
    10,375.61/15,564.27 = 4,373.42/x
  3. Step 3: Cross multiply
    10,375.61x = 15,564.27 × 4,373.42
  4. Step 4: Simplify right side
    10,375.61x = 68,069,000.95
  5. Step 5: Solve for x
    x = 68,069,000.95/10,375.61
  6. Step 6: Final answer
    x = 6,560.48

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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.