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Finding the Fourth Proportional to 69,383.04, 95,759.92 and 42,540.32

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Solution

The fourth proportional to 69,383.04, 95,759.92 and 42,540.32 is: 58,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,383.04 : 95,759.92 = 42,540.32 : x
  2. Step 2: Convert to fraction form
    69,383.04/95,759.92 = 42,540.32/x
  3. Step 3: Cross multiply
    69,383.04x = 95,759.92 × 42,540.32
  4. Step 4: Simplify right side
    69,383.04x = 4,073,657,639.97
  5. Step 5: Solve for x
    x = 4,073,657,639.97/69,383.04
  6. Step 6: Final answer
    x = 58,712.59

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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.