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Finding the Fourth Proportional to 4,984.60, 7,473.46 and 2,209.76

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Solution

The fourth proportional to 4,984.60, 7,473.46 and 2,209.76 is: 3,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.60 : 7,473.46 = 2,209.76 : x
  2. Step 2: Convert to fraction form
    4,984.60/7,473.46 = 2,209.76/x
  3. Step 3: Cross multiply
    4,984.60x = 7,473.46 × 2,209.76
  4. Step 4: Simplify right side
    4,984.60x = 16,514,552.97
  5. Step 5: Solve for x
    x = 16,514,552.97/4,984.60
  6. Step 6: Final answer
    x = 3,313.11

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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.