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Finding the Fourth Proportional to 68,569.20, 102,853.80 and 33,577.20

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Solution

The fourth proportional to 68,569.20, 102,853.80 and 33,577.20 is: 50,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569.20 : 102,853.80 = 33,577.20 : x
  2. Step 2: Convert to fraction form
    68,569.20/102,853.80 = 33,577.20/x
  3. Step 3: Cross multiply
    68,569.20x = 102,853.80 × 33,577.20
  4. Step 4: Simplify right side
    68,569.20x = 3,453,542,613.36
  5. Step 5: Solve for x
    x = 3,453,542,613.36/68,569.20
  6. Step 6: Final answer
    x = 50,365.80

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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.