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Finding the Fourth Proportional to 67,002.32, 100,502.94 and 25,449.32

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Solution

The fourth proportional to 67,002.32, 100,502.94 and 25,449.32 is: 38,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002.32 : 100,502.94 = 25,449.32 : x
  2. Step 2: Convert to fraction form
    67,002.32/100,502.94 = 25,449.32/x
  3. Step 3: Cross multiply
    67,002.32x = 100,502.94 × 25,449.32
  4. Step 4: Simplify right side
    67,002.32x = 2,557,731,481.00
  5. Step 5: Solve for x
    x = 2,557,731,481.00/67,002.32
  6. Step 6: Final answer
    x = 38,173.77

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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.