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Finding the Fourth Proportional to 63,909.55, 88,201.74 and 38,424.22

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Solution

The fourth proportional to 63,909.55, 88,201.74 and 38,424.22 is: 53,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.55 : 88,201.74 = 38,424.22 : x
  2. Step 2: Convert to fraction form
    63,909.55/88,201.74 = 38,424.22/x
  3. Step 3: Cross multiply
    63,909.55x = 88,201.74 × 38,424.22
  4. Step 4: Simplify right side
    63,909.55x = 3,389,083,062.14
  5. Step 5: Solve for x
    x = 3,389,083,062.14/63,909.55
  6. Step 6: Final answer
    x = 53,029.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.