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Finding the Fourth Proportional to 25,246.60, 37,869.90 and 7,717.30

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Solution

The fourth proportional to 25,246.60, 37,869.90 and 7,717.30 is: 11,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.60 : 37,869.90 = 7,717.30 : x
  2. Step 2: Convert to fraction form
    25,246.60/37,869.90 = 7,717.30/x
  3. Step 3: Cross multiply
    25,246.60x = 37,869.90 × 7,717.30
  4. Step 4: Simplify right side
    25,246.60x = 292,253,379.27
  5. Step 5: Solve for x
    x = 292,253,379.27/25,246.60
  6. Step 6: Final answer
    x = 11,575.95

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1.5x scale

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.