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Finding the Fourth Proportional to 2,366.81, 3,550.07 and 723.21

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Solution

The fourth proportional to 2,366.81, 3,550.07 and 723.21 is: 1,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.81 : 3,550.07 = 723.21 : x
  2. Step 2: Convert to fraction form
    2,366.81/3,550.07 = 723.21/x
  3. Step 3: Cross multiply
    2,366.81x = 3,550.07 × 723.21
  4. Step 4: Simplify right side
    2,366.81x = 2,567,447.93
  5. Step 5: Solve for x
    x = 2,567,447.93/2,366.81
  6. Step 6: Final answer
    x = 1,084.77

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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.