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Finding the Fourth Proportional to 73,733.20, 110,599.80 and 18,329.20

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Solution

The fourth proportional to 73,733.20, 110,599.80 and 18,329.20 is: 27,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,733.20 : 110,599.80 = 18,329.20 : x
  2. Step 2: Convert to fraction form
    73,733.20/110,599.80 = 18,329.20/x
  3. Step 3: Cross multiply
    73,733.20x = 110,599.80 × 18,329.20
  4. Step 4: Simplify right side
    73,733.20x = 2,027,205,854.16
  5. Step 5: Solve for x
    x = 2,027,205,854.16/73,733.20
  6. Step 6: Final answer
    x = 27,493.80

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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.