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Finding the Fourth Proportional to 2,366.15, 3,549.79 and 722.59

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Solution

The fourth proportional to 2,366.15, 3,549.79 and 722.59 is: 1,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.15 : 3,549.79 = 722.59 : x
  2. Step 2: Convert to fraction form
    2,366.15/3,549.79 = 722.59/x
  3. Step 3: Cross multiply
    2,366.15x = 3,549.79 × 722.59
  4. Step 4: Simplify right side
    2,366.15x = 2,565,042.76
  5. Step 5: Solve for x
    x = 2,565,042.76/2,366.15
  6. Step 6: Final answer
    x = 1,084.06

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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.