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Finding the Fourth Proportional to 63,261.60, 94,921.92 and 28,197.60

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Solution

The fourth proportional to 63,261.60, 94,921.92 and 28,197.60 is: 42,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,261.60 : 94,921.92 = 28,197.60 : x
  2. Step 2: Convert to fraction form
    63,261.60/94,921.92 = 28,197.60/x
  3. Step 3: Cross multiply
    63,261.60x = 94,921.92 × 28,197.60
  4. Step 4: Simplify right side
    63,261.60x = 2,676,570,331.39
  5. Step 5: Solve for x
    x = 2,676,570,331.39/63,261.60
  6. Step 6: Final answer
    x = 42,309.56

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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.