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Finding the Fourth Proportional to 80,402.88, 110,954.28 and 44,592.12

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Solution

The fourth proportional to 80,402.88, 110,954.28 and 44,592.12 is: 61,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402.88 : 110,954.28 = 44,592.12 : x
  2. Step 2: Convert to fraction form
    80,402.88/110,954.28 = 44,592.12/x
  3. Step 3: Cross multiply
    80,402.88x = 110,954.28 × 44,592.12
  4. Step 4: Simplify right side
    80,402.88x = 4,947,686,568.27
  5. Step 5: Solve for x
    x = 4,947,686,568.27/80,402.88
  6. Step 6: Final answer
    x = 61,536.19

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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.