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Finding the Fourth Proportional to 63,615.25, 95,422.88 and 19,839.25

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Solution

The fourth proportional to 63,615.25, 95,422.88 and 19,839.25 is: 29,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.25 : 95,422.88 = 19,839.25 : x
  2. Step 2: Convert to fraction form
    63,615.25/95,422.88 = 19,839.25/x
  3. Step 3: Cross multiply
    63,615.25x = 95,422.88 × 19,839.25
  4. Step 4: Simplify right side
    63,615.25x = 1,893,118,372.04
  5. Step 5: Solve for x
    x = 1,893,118,372.04/63,615.25
  6. Step 6: Final answer
    x = 29,758.88

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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.