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Finding the Fourth Proportional to 18,295.83, 27,452.97 and 7,210.46

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Solution

The fourth proportional to 18,295.83, 27,452.97 and 7,210.46 is: 10,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.83 : 27,452.97 = 7,210.46 : x
  2. Step 2: Convert to fraction form
    18,295.83/27,452.97 = 7,210.46/x
  3. Step 3: Cross multiply
    18,295.83x = 27,452.97 × 7,210.46
  4. Step 4: Simplify right side
    18,295.83x = 197,948,610.70
  5. Step 5: Solve for x
    x = 197,948,610.70/18,295.83
  6. Step 6: Final answer
    x = 10,819.33

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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.