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Finding the Fourth Proportional to 21,934.48, 32,915.22 and 10,248.88

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Solution

The fourth proportional to 21,934.48, 32,915.22 and 10,248.88 is: 15,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.48 : 32,915.22 = 10,248.88 : x
  2. Step 2: Convert to fraction form
    21,934.48/32,915.22 = 10,248.88/x
  3. Step 3: Cross multiply
    21,934.48x = 32,915.22 × 10,248.88
  4. Step 4: Simplify right side
    21,934.48x = 337,344,139.95
  5. Step 5: Solve for x
    x = 337,344,139.95/21,934.48
  6. Step 6: Final answer
    x = 15,379.63

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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.