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Finding the Fourth Proportional to 63,979.74, 88,292.14 and 35,687.24

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Solution

The fourth proportional to 63,979.74, 88,292.14 and 35,687.24 is: 49,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.74 : 88,292.14 = 35,687.24 : x
  2. Step 2: Convert to fraction form
    63,979.74/88,292.14 = 35,687.24/x
  3. Step 3: Cross multiply
    63,979.74x = 88,292.14 × 35,687.24
  4. Step 4: Simplify right side
    63,979.74x = 3,150,902,790.29
  5. Step 5: Solve for x
    x = 3,150,902,790.29/63,979.74
  6. Step 6: Final answer
    x = 49,248.45

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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.