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Finding the Fourth Proportional to 5,224.54, 7,209.92 and 2,866.62

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Solution

The fourth proportional to 5,224.54, 7,209.92 and 2,866.62 is: 3,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.54 : 7,209.92 = 2,866.62 : x
  2. Step 2: Convert to fraction form
    5,224.54/7,209.92 = 2,866.62/x
  3. Step 3: Cross multiply
    5,224.54x = 7,209.92 × 2,866.62
  4. Step 4: Simplify right side
    5,224.54x = 20,668,100.87
  5. Step 5: Solve for x
    x = 20,668,100.87/5,224.54
  6. Step 6: Final answer
    x = 3,955.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.