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Finding the Fourth Proportional to 10,952.60, 16,404.60 and 4,375.40

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Solution

The fourth proportional to 10,952.60, 16,404.60 and 4,375.40 is: 6,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.60 : 16,404.60 = 4,375.40 : x
  2. Step 2: Convert to fraction form
    10,952.60/16,404.60 = 4,375.40/x
  3. Step 3: Cross multiply
    10,952.60x = 16,404.60 × 4,375.40
  4. Step 4: Simplify right side
    10,952.60x = 71,776,686.84
  5. Step 5: Solve for x
    x = 71,776,686.84/10,952.60
  6. Step 6: Final answer
    x = 6,553.39

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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.