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Finding the Fourth Proportional to 22,479.92, 33,700.84 and 9,324.08

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Solution

The fourth proportional to 22,479.92, 33,700.84 and 9,324.08 is: 13,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.92 : 33,700.84 = 9,324.08 : x
  2. Step 2: Convert to fraction form
    22,479.92/33,700.84 = 9,324.08/x
  3. Step 3: Cross multiply
    22,479.92x = 33,700.84 × 9,324.08
  4. Step 4: Simplify right side
    22,479.92x = 314,229,328.23
  5. Step 5: Solve for x
    x = 314,229,328.23/22,479.92
  6. Step 6: Final answer
    x = 13,978.22

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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.