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Finding the Fourth Proportional to 67,063.60, 100,608.28 and 25,507.28

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Solution

The fourth proportional to 67,063.60, 100,608.28 and 25,507.28 is: 38,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.60 : 100,608.28 = 25,507.28 : x
  2. Step 2: Convert to fraction form
    67,063.60/100,608.28 = 25,507.28/x
  3. Step 3: Cross multiply
    67,063.60x = 100,608.28 × 25,507.28
  4. Step 4: Simplify right side
    67,063.60x = 2,566,243,568.28
  5. Step 5: Solve for x
    x = 2,566,243,568.28/67,063.60
  6. Step 6: Final answer
    x = 38,265.82

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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.