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Finding the Fourth Proportional to 7,227.60, 10,819.80 and 6,363.60

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Solution

The fourth proportional to 7,227.60, 10,819.80 and 6,363.60 is: 9,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.60 : 10,819.80 = 6,363.60 : x
  2. Step 2: Convert to fraction form
    7,227.60/10,819.80 = 6,363.60/x
  3. Step 3: Cross multiply
    7,227.60x = 10,819.80 × 6,363.60
  4. Step 4: Simplify right side
    7,227.60x = 68,852,879.28
  5. Step 5: Solve for x
    x = 68,852,879.28/7,227.60
  6. Step 6: Final answer
    x = 9,526.38

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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.