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Finding the Fourth Proportional to 23,920.32, 35,882.32 and 7,281.78

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Solution

The fourth proportional to 23,920.32, 35,882.32 and 7,281.78 is: 10,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.32 : 35,882.32 = 7,281.78 : x
  2. Step 2: Convert to fraction form
    23,920.32/35,882.32 = 7,281.78/x
  3. Step 3: Cross multiply
    23,920.32x = 35,882.32 × 7,281.78
  4. Step 4: Simplify right side
    23,920.32x = 261,287,160.13
  5. Step 5: Solve for x
    x = 261,287,160.13/23,920.32
  6. Step 6: Final answer
    x = 10,923.23

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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.