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Finding the Fourth Proportional to 25,166.60, 37,749.90 and 10,367.90

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Solution

The fourth proportional to 25,166.60, 37,749.90 and 10,367.90 is: 15,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,166.60 : 37,749.90 = 10,367.90 : x
  2. Step 2: Convert to fraction form
    25,166.60/37,749.90 = 10,367.90/x
  3. Step 3: Cross multiply
    25,166.60x = 37,749.90 × 10,367.90
  4. Step 4: Simplify right side
    25,166.60x = 391,387,188.21
  5. Step 5: Solve for x
    x = 391,387,188.21/25,166.60
  6. Step 6: Final answer
    x = 15,551.85

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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.