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Finding the Fourth Proportional to 60,827.76, 91,290.78 and 25,792.02

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Solution

The fourth proportional to 60,827.76, 91,290.78 and 25,792.02 is: 38,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,827.76 : 91,290.78 = 25,792.02 : x
  2. Step 2: Convert to fraction form
    60,827.76/91,290.78 = 25,792.02/x
  3. Step 3: Cross multiply
    60,827.76x = 91,290.78 × 25,792.02
  4. Step 4: Simplify right side
    60,827.76x = 2,354,573,623.58
  5. Step 5: Solve for x
    x = 2,354,573,623.58/60,827.76
  6. Step 6: Final answer
    x = 38,708.87

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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.