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Finding the Fourth Proportional to 33,275.88, 45,920.88 and 18,168.84

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Solution

The fourth proportional to 33,275.88, 45,920.88 and 18,168.84 is: 25,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.88 : 45,920.88 = 18,168.84 : x
  2. Step 2: Convert to fraction form
    33,275.88/45,920.88 = 18,168.84/x
  3. Step 3: Cross multiply
    33,275.88x = 45,920.88 × 18,168.84
  4. Step 4: Simplify right side
    33,275.88x = 834,329,121.38
  5. Step 5: Solve for x
    x = 834,329,121.38/33,275.88
  6. Step 6: Final answer
    x = 25,073.09

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Double scale
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Similar ratio
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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.