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Finding the Fourth Proportional to 27,045.54, 40,571.55 and 9,517.14

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Solution

The fourth proportional to 27,045.54, 40,571.55 and 9,517.14 is: 14,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.54 : 40,571.55 = 9,517.14 : x
  2. Step 2: Convert to fraction form
    27,045.54/40,571.55 = 9,517.14/x
  3. Step 3: Cross multiply
    27,045.54x = 40,571.55 × 9,517.14
  4. Step 4: Simplify right side
    27,045.54x = 386,125,121.37
  5. Step 5: Solve for x
    x = 386,125,121.37/27,045.54
  6. Step 6: Final answer
    x = 14,276.85

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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.