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Finding the Fourth Proportional to 75,211.92, 112,830.64 and 25,296.88

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Solution

The fourth proportional to 75,211.92, 112,830.64 and 25,296.88 is: 37,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.92 : 112,830.64 = 25,296.88 : x
  2. Step 2: Convert to fraction form
    75,211.92/112,830.64 = 25,296.88/x
  3. Step 3: Cross multiply
    75,211.92x = 112,830.64 × 25,296.88
  4. Step 4: Simplify right side
    75,211.92x = 2,854,263,160.40
  5. Step 5: Solve for x
    x = 2,854,263,160.40/75,211.92
  6. Step 6: Final answer
    x = 37,949.61

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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.