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Finding the Fourth Proportional to 45,255.80, 67,882.62 and 17,553.80

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Solution

The fourth proportional to 45,255.80, 67,882.62 and 17,553.80 is: 26,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,255.80 : 67,882.62 = 17,553.80 : x
  2. Step 2: Convert to fraction form
    45,255.80/67,882.62 = 17,553.80/x
  3. Step 3: Cross multiply
    45,255.80x = 67,882.62 × 17,553.80
  4. Step 4: Simplify right side
    45,255.80x = 1,191,597,934.96
  5. Step 5: Solve for x
    x = 1,191,597,934.96/45,255.80
  6. Step 6: Final answer
    x = 26,330.28

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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.