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Finding the Fourth Proportional to 52,843.52, 79,265.12 and 13,400.54

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Solution

The fourth proportional to 52,843.52, 79,265.12 and 13,400.54 is: 20,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.52 : 79,265.12 = 13,400.54 : x
  2. Step 2: Convert to fraction form
    52,843.52/79,265.12 = 13,400.54/x
  3. Step 3: Cross multiply
    52,843.52x = 79,265.12 × 13,400.54
  4. Step 4: Simplify right side
    52,843.52x = 1,062,195,245.08
  5. Step 5: Solve for x
    x = 1,062,195,245.08/52,843.52
  6. Step 6: Final answer
    x = 20,100.77

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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.