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Finding the Fourth Proportional to 2,366.30, 3,549.65 and 722.86

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Solution

The fourth proportional to 2,366.30, 3,549.65 and 722.86 is: 1,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.30 : 3,549.65 = 722.86 : x
  2. Step 2: Convert to fraction form
    2,366.30/3,549.65 = 722.86/x
  3. Step 3: Cross multiply
    2,366.30x = 3,549.65 × 722.86
  4. Step 4: Simplify right side
    2,366.30x = 2,565,900.00
  5. Step 5: Solve for x
    x = 2,565,900.00/2,366.30
  6. Step 6: Final answer
    x = 1,084.35

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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.