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Finding the Fourth Proportional to 22,354.25, 30,849.26 and 12,283.11

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Solution

The fourth proportional to 22,354.25, 30,849.26 and 12,283.11 is: 16,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.25 : 30,849.26 = 12,283.11 : x
  2. Step 2: Convert to fraction form
    22,354.25/30,849.26 = 12,283.11/x
  3. Step 3: Cross multiply
    22,354.25x = 30,849.26 × 12,283.11
  4. Step 4: Simplify right side
    22,354.25x = 378,924,792.58
  5. Step 5: Solve for x
    x = 378,924,792.58/22,354.25
  6. Step 6: Final answer
    x = 16,950.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.