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Finding the Fourth Proportional to 22,385.84, 33,513.88 and 16,862.44

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Solution

The fourth proportional to 22,385.84, 33,513.88 and 16,862.44 is: 25,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.84 : 33,513.88 = 16,862.44 : x
  2. Step 2: Convert to fraction form
    22,385.84/33,513.88 = 16,862.44/x
  3. Step 3: Cross multiply
    22,385.84x = 33,513.88 × 16,862.44
  4. Step 4: Simplify right side
    22,385.84x = 565,125,790.67
  5. Step 5: Solve for x
    x = 565,125,790.67/22,385.84
  6. Step 6: Final answer
    x = 25,244.79

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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.