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Finding the Fourth Proportional to 60,563.92, 90,849.02 and 18,440.75

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Solution

The fourth proportional to 60,563.92, 90,849.02 and 18,440.75 is: 27,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563.92 : 90,849.02 = 18,440.75 : x
  2. Step 2: Convert to fraction form
    60,563.92/90,849.02 = 18,440.75/x
  3. Step 3: Cross multiply
    60,563.92x = 90,849.02 × 18,440.75
  4. Step 4: Simplify right side
    60,563.92x = 1,675,324,065.57
  5. Step 5: Solve for x
    x = 1,675,324,065.57/60,563.92
  6. Step 6: Final answer
    x = 27,662.08

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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.