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Finding the Fourth Proportional to 2,366.55, 3,549.66 and 806.49

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Solution

The fourth proportional to 2,366.55, 3,549.66 and 806.49 is: 1,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.55 : 3,549.66 = 806.49 : x
  2. Step 2: Convert to fraction form
    2,366.55/3,549.66 = 806.49/x
  3. Step 3: Cross multiply
    2,366.55x = 3,549.66 × 806.49
  4. Step 4: Simplify right side
    2,366.55x = 2,862,765.29
  5. Step 5: Solve for x
    x = 2,862,765.29/2,366.55
  6. Step 6: Final answer
    x = 1,209.68

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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.