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Finding the Fourth Proportional to 27,107.20, 40,603.20 and 22,499.20

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Solution

The fourth proportional to 27,107.20, 40,603.20 and 22,499.20 is: 33,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.20 : 40,603.20 = 22,499.20 : x
  2. Step 2: Convert to fraction form
    27,107.20/40,603.20 = 22,499.20/x
  3. Step 3: Cross multiply
    27,107.20x = 40,603.20 × 22,499.20
  4. Step 4: Simplify right side
    27,107.20x = 913,539,517.44
  5. Step 5: Solve for x
    x = 913,539,517.44/27,107.20
  6. Step 6: Final answer
    x = 33,700.99

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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.