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Finding the Fourth Proportional to 60,640.80, 90,922.32 and 25,571.04

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Solution

The fourth proportional to 60,640.80, 90,922.32 and 25,571.04 is: 38,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.80 : 90,922.32 = 25,571.04 : x
  2. Step 2: Convert to fraction form
    60,640.80/90,922.32 = 25,571.04/x
  3. Step 3: Cross multiply
    60,640.80x = 90,922.32 × 25,571.04
  4. Step 4: Simplify right side
    60,640.80x = 2,324,978,281.61
  5. Step 5: Solve for x
    x = 2,324,978,281.61/60,640.80
  6. Step 6: Final answer
    x = 38,340.17

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1.5x scale

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.