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Finding the Fourth Proportional to 15,260.88, 22,891.08 and 11,127.12

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Solution

The fourth proportional to 15,260.88, 22,891.08 and 11,127.12 is: 16,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.88 : 22,891.08 = 11,127.12 : x
  2. Step 2: Convert to fraction form
    15,260.88/22,891.08 = 11,127.12/x
  3. Step 3: Cross multiply
    15,260.88x = 22,891.08 × 11,127.12
  4. Step 4: Simplify right side
    15,260.88x = 254,711,794.09
  5. Step 5: Solve for x
    x = 254,711,794.09/15,260.88
  6. Step 6: Final answer
    x = 16,690.51

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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.