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Finding the Fourth Proportional to 60,579.38, 90,881.37 and 25,043.87

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Solution

The fourth proportional to 60,579.38, 90,881.37 and 25,043.87 is: 37,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.38 : 90,881.37 = 25,043.87 : x
  2. Step 2: Convert to fraction form
    60,579.38/90,881.37 = 25,043.87/x
  3. Step 3: Cross multiply
    60,579.38x = 90,881.37 × 25,043.87
  4. Step 4: Simplify right side
    60,579.38x = 2,276,021,442.91
  5. Step 5: Solve for x
    x = 2,276,021,442.91/60,579.38
  6. Step 6: Final answer
    x = 37,570.90

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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.