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Finding the Fourth Proportional to 63,642.61, 95,383.88 and 55,726.28

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Solution

The fourth proportional to 63,642.61, 95,383.88 and 55,726.28 is: 83,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.61 : 95,383.88 = 55,726.28 : x
  2. Step 2: Convert to fraction form
    63,642.61/95,383.88 = 55,726.28/x
  3. Step 3: Cross multiply
    63,642.61x = 95,383.88 × 55,726.28
  4. Step 4: Simplify right side
    63,642.61x = 5,315,388,615.48
  5. Step 5: Solve for x
    x = 5,315,388,615.48/63,642.61
  6. Step 6: Final answer
    x = 83,519.34

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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.