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Finding the Fourth Proportional to 60,261.90, 90,393.77 and 22,811.92

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Solution

The fourth proportional to 60,261.90, 90,393.77 and 22,811.92 is: 34,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261.90 : 90,393.77 = 22,811.92 : x
  2. Step 2: Convert to fraction form
    60,261.90/90,393.77 = 22,811.92/x
  3. Step 3: Cross multiply
    60,261.90x = 90,393.77 × 22,811.92
  4. Step 4: Simplify right side
    60,261.90x = 2,062,055,725.09
  5. Step 5: Solve for x
    x = 2,062,055,725.09/60,261.90
  6. Step 6: Final answer
    x = 34,218.23

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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.