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Finding the Fourth Proportional to 63,797.78, 88,040.84 and 39,589.74

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Solution

The fourth proportional to 63,797.78, 88,040.84 and 39,589.74 is: 54,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,797.78 : 88,040.84 = 39,589.74 : x
  2. Step 2: Convert to fraction form
    63,797.78/88,040.84 = 39,589.74/x
  3. Step 3: Cross multiply
    63,797.78x = 88,040.84 × 39,589.74
  4. Step 4: Simplify right side
    63,797.78x = 3,485,513,767.03
  5. Step 5: Solve for x
    x = 3,485,513,767.03/63,797.78
  6. Step 6: Final answer
    x = 54,633.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.