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Finding the Fourth Proportional to 45,205.60, 67,743.60 and 33,266.20

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Solution

The fourth proportional to 45,205.60, 67,743.60 and 33,266.20 is: 49,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.60 : 67,743.60 = 33,266.20 : x
  2. Step 2: Convert to fraction form
    45,205.60/67,743.60 = 33,266.20/x
  3. Step 3: Cross multiply
    45,205.60x = 67,743.60 × 33,266.20
  4. Step 4: Simplify right side
    45,205.60x = 2,253,572,146.32
  5. Step 5: Solve for x
    x = 2,253,572,146.32/45,205.60
  6. Step 6: Final answer
    x = 49,851.61

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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.