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Finding the Fourth Proportional to 44,881.20, 67,321.80 and 18,578.88

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Solution

The fourth proportional to 44,881.20, 67,321.80 and 18,578.88 is: 27,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,881.20 : 67,321.80 = 18,578.88 : x
  2. Step 2: Convert to fraction form
    44,881.20/67,321.80 = 18,578.88/x
  3. Step 3: Cross multiply
    44,881.20x = 67,321.80 × 18,578.88
  4. Step 4: Simplify right side
    44,881.20x = 1,250,763,643.58
  5. Step 5: Solve for x
    x = 1,250,763,643.58/44,881.20
  6. Step 6: Final answer
    x = 27,868.32

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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.