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Finding the Fourth Proportional to 60,954.80, 91,399.32 and 27,656.70

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Solution

The fourth proportional to 60,954.80, 91,399.32 and 27,656.70 is: 41,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,954.80 : 91,399.32 = 27,656.70 : x
  2. Step 2: Convert to fraction form
    60,954.80/91,399.32 = 27,656.70/x
  3. Step 3: Cross multiply
    60,954.80x = 91,399.32 × 27,656.70
  4. Step 4: Simplify right side
    60,954.80x = 2,527,803,573.44
  5. Step 5: Solve for x
    x = 2,527,803,573.44/60,954.80
  6. Step 6: Final answer
    x = 41,470.13

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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.