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Finding the Fourth Proportional to 24,479.80, 36,721.12 and 6,948.26

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Solution

The fourth proportional to 24,479.80, 36,721.12 and 6,948.26 is: 10,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.80 : 36,721.12 = 6,948.26 : x
  2. Step 2: Convert to fraction form
    24,479.80/36,721.12 = 6,948.26/x
  3. Step 3: Cross multiply
    24,479.80x = 36,721.12 × 6,948.26
  4. Step 4: Simplify right side
    24,479.80x = 255,147,889.25
  5. Step 5: Solve for x
    x = 255,147,889.25/24,479.80
  6. Step 6: Final answer
    x = 10,422.79

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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.