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Finding the Fourth Proportional to 45,603.79, 68,359.20 and 25,840.60

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Solution

The fourth proportional to 45,603.79, 68,359.20 and 25,840.60 is: 38,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.79 : 68,359.20 = 25,840.60 : x
  2. Step 2: Convert to fraction form
    45,603.79/68,359.20 = 25,840.60/x
  3. Step 3: Cross multiply
    45,603.79x = 68,359.20 × 25,840.60
  4. Step 4: Simplify right side
    45,603.79x = 1,766,442,743.52
  5. Step 5: Solve for x
    x = 1,766,442,743.52/45,603.79
  6. Step 6: Final answer
    x = 38,734.56

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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.