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Finding the Fourth Proportional to 22,959.92, 34,452.84 and 9,811.28

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Solution

The fourth proportional to 22,959.92, 34,452.84 and 9,811.28 is: 14,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.92 : 34,452.84 = 9,811.28 : x
  2. Step 2: Convert to fraction form
    22,959.92/34,452.84 = 9,811.28/x
  3. Step 3: Cross multiply
    22,959.92x = 34,452.84 × 9,811.28
  4. Step 4: Simplify right side
    22,959.92x = 338,026,460.04
  5. Step 5: Solve for x
    x = 338,026,460.04/22,959.92
  6. Step 6: Final answer
    x = 14,722.46

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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.