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Finding the Fourth Proportional to 22,354.88, 33,537.76 and 8,315.42

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Solution

The fourth proportional to 22,354.88, 33,537.76 and 8,315.42 is: 12,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.88 : 33,537.76 = 8,315.42 : x
  2. Step 2: Convert to fraction form
    22,354.88/33,537.76 = 8,315.42/x
  3. Step 3: Cross multiply
    22,354.88x = 33,537.76 × 8,315.42
  4. Step 4: Simplify right side
    22,354.88x = 278,880,560.26
  5. Step 5: Solve for x
    x = 278,880,560.26/22,354.88
  6. Step 6: Final answer
    x = 12,475.15

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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.