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Finding the Fourth Proportional to 63,753.47, 95,609.84 and 21,049.40

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Solution

The fourth proportional to 63,753.47, 95,609.84 and 21,049.40 is: 31,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,753.47 : 95,609.84 = 21,049.40 : x
  2. Step 2: Convert to fraction form
    63,753.47/95,609.84 = 21,049.40/x
  3. Step 3: Cross multiply
    63,753.47x = 95,609.84 × 21,049.40
  4. Step 4: Simplify right side
    63,753.47x = 2,012,529,182.80
  5. Step 5: Solve for x
    x = 2,012,529,182.80/63,753.47
  6. Step 6: Final answer
    x = 31,567.37

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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.