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Finding the Fourth Proportional to 2,729.94, 4,095.46 and 880.92

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Solution

The fourth proportional to 2,729.94, 4,095.46 and 880.92 is: 1,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.94 : 4,095.46 = 880.92 : x
  2. Step 2: Convert to fraction form
    2,729.94/4,095.46 = 880.92/x
  3. Step 3: Cross multiply
    2,729.94x = 4,095.46 × 880.92
  4. Step 4: Simplify right side
    2,729.94x = 3,607,772.62
  5. Step 5: Solve for x
    x = 3,607,772.62/2,729.94
  6. Step 6: Final answer
    x = 1,321.56

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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.