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Finding the Fourth Proportional to 63,821.52, 95,725.52 and 17,079.12

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Solution

The fourth proportional to 63,821.52, 95,725.52 and 17,079.12 is: 25,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,821.52 : 95,725.52 = 17,079.12 : x
  2. Step 2: Convert to fraction form
    63,821.52/95,725.52 = 17,079.12/x
  3. Step 3: Cross multiply
    63,821.52x = 95,725.52 × 17,079.12
  4. Step 4: Simplify right side
    63,821.52x = 1,634,907,643.14
  5. Step 5: Solve for x
    x = 1,634,907,643.14/63,821.52
  6. Step 6: Final answer
    x = 25,616.87

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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.