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Finding the Fourth Proportional to 22,699.28, 34,049.08 and 7,908.17

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Solution

The fourth proportional to 22,699.28, 34,049.08 and 7,908.17 is: 11,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.28 : 34,049.08 = 7,908.17 : x
  2. Step 2: Convert to fraction form
    22,699.28/34,049.08 = 7,908.17/x
  3. Step 3: Cross multiply
    22,699.28x = 34,049.08 × 7,908.17
  4. Step 4: Simplify right side
    22,699.28x = 269,265,742.74
  5. Step 5: Solve for x
    x = 269,265,742.74/22,699.28
  6. Step 6: Final answer
    x = 11,862.31

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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.