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Finding the Fourth Proportional to 44,512.88, 66,760.80 and 13,348.12

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Solution

The fourth proportional to 44,512.88, 66,760.80 and 13,348.12 is: 20,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,512.88 : 66,760.80 = 13,348.12 : x
  2. Step 2: Convert to fraction form
    44,512.88/66,760.80 = 13,348.12/x
  3. Step 3: Cross multiply
    44,512.88x = 66,760.80 × 13,348.12
  4. Step 4: Simplify right side
    44,512.88x = 891,131,169.70
  5. Step 5: Solve for x
    x = 891,131,169.70/44,512.88
  6. Step 6: Final answer
    x = 20,019.63

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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.