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Finding the Fourth Proportional to 63,543.15, 95,314.86 and 19,169.97

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Solution

The fourth proportional to 63,543.15, 95,314.86 and 19,169.97 is: 28,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.15 : 95,314.86 = 19,169.97 : x
  2. Step 2: Convert to fraction form
    63,543.15/95,314.86 = 19,169.97/x
  3. Step 3: Cross multiply
    63,543.15x = 95,314.86 × 19,169.97
  4. Step 4: Simplify right side
    63,543.15x = 1,827,182,649.32
  5. Step 5: Solve for x
    x = 1,827,182,649.32/63,543.15
  6. Step 6: Final answer
    x = 28,754.99

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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.