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Finding the Fourth Proportional to 64,594.26, 96,843.87 and 20,196.18

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Solution

The fourth proportional to 64,594.26, 96,843.87 and 20,196.18 is: 30,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,594.26 : 96,843.87 = 20,196.18 : x
  2. Step 2: Convert to fraction form
    64,594.26/96,843.87 = 20,196.18/x
  3. Step 3: Cross multiply
    64,594.26x = 96,843.87 × 20,196.18
  4. Step 4: Simplify right side
    64,594.26x = 1,955,876,230.42
  5. Step 5: Solve for x
    x = 1,955,876,230.42/64,594.26
  6. Step 6: Final answer
    x = 30,279.41

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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.