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Finding the Fourth Proportional to 60,290.28, 90,416.92 and 41,689.84

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Solution

The fourth proportional to 60,290.28, 90,416.92 and 41,689.84 is: 62,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290.28 : 90,416.92 = 41,689.84 : x
  2. Step 2: Convert to fraction form
    60,290.28/90,416.92 = 41,689.84/x
  3. Step 3: Cross multiply
    60,290.28x = 90,416.92 × 41,689.84
  4. Step 4: Simplify right side
    60,290.28x = 3,769,466,928.09
  5. Step 5: Solve for x
    x = 3,769,466,928.09/60,290.28
  6. Step 6: Final answer
    x = 62,521.97

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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.