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Finding the Fourth Proportional to 79,452.58, 109,662.03 and 54,957.85

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Solution

The fourth proportional to 79,452.58, 109,662.03 and 54,957.85 is: 75,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.58 : 109,662.03 = 54,957.85 : x
  2. Step 2: Convert to fraction form
    79,452.58/109,662.03 = 54,957.85/x
  3. Step 3: Cross multiply
    79,452.58x = 109,662.03 × 54,957.85
  4. Step 4: Simplify right side
    79,452.58x = 6,026,789,395.44
  5. Step 5: Solve for x
    x = 6,026,789,395.44/79,452.58
  6. Step 6: Final answer
    x = 75,853.92

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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.