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Finding the Fourth Proportional to 63,692.17, 95,538.61 and 19,318.97

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Solution

The fourth proportional to 63,692.17, 95,538.61 and 19,318.97 is: 28,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,692.17 : 95,538.61 = 19,318.97 : x
  2. Step 2: Convert to fraction form
    63,692.17/95,538.61 = 19,318.97/x
  3. Step 3: Cross multiply
    63,692.17x = 95,538.61 × 19,318.97
  4. Step 4: Simplify right side
    63,692.17x = 1,845,707,694.76
  5. Step 5: Solve for x
    x = 1,845,707,694.76/63,692.17
  6. Step 6: Final answer
    x = 28,978.56

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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.