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Finding the Fourth Proportional to 2,729.66, 4,095.28 and 880.73

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Solution

The fourth proportional to 2,729.66, 4,095.28 and 880.73 is: 1,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.66 : 4,095.28 = 880.73 : x
  2. Step 2: Convert to fraction form
    2,729.66/4,095.28 = 880.73/x
  3. Step 3: Cross multiply
    2,729.66x = 4,095.28 × 880.73
  4. Step 4: Simplify right side
    2,729.66x = 3,606,835.95
  5. Step 5: Solve for x
    x = 3,606,835.95/2,729.66
  6. Step 6: Final answer
    x = 1,321.35

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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.