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Finding the Fourth Proportional to 60,393.42, 90,548.82 and 30,753.90

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Solution

The fourth proportional to 60,393.42, 90,548.82 and 30,753.90 is: 46,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,393.42 : 90,548.82 = 30,753.90 : x
  2. Step 2: Convert to fraction form
    60,393.42/90,548.82 = 30,753.90/x
  3. Step 3: Cross multiply
    60,393.42x = 90,548.82 × 30,753.90
  4. Step 4: Simplify right side
    60,393.42x = 2,784,729,355.40
  5. Step 5: Solve for x
    x = 2,784,729,355.40/60,393.42
  6. Step 6: Final answer
    x = 46,109.81

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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.