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Finding the Fourth Proportional to 2,706.24, 4,059.36 and 731.88

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Solution

The fourth proportional to 2,706.24, 4,059.36 and 731.88 is: 1,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.24 : 4,059.36 = 731.88 : x
  2. Step 2: Convert to fraction form
    2,706.24/4,059.36 = 731.88/x
  3. Step 3: Cross multiply
    2,706.24x = 4,059.36 × 731.88
  4. Step 4: Simplify right side
    2,706.24x = 2,970,964.40
  5. Step 5: Solve for x
    x = 2,970,964.40/2,706.24
  6. Step 6: Final answer
    x = 1,097.82

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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.