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Finding the Fourth Proportional to 3,253.65, 4,489.75 and 1,927.14

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Solution

The fourth proportional to 3,253.65, 4,489.75 and 1,927.14 is: 2,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.65 : 4,489.75 = 1,927.14 : x
  2. Step 2: Convert to fraction form
    3,253.65/4,489.75 = 1,927.14/x
  3. Step 3: Cross multiply
    3,253.65x = 4,489.75 × 1,927.14
  4. Step 4: Simplify right side
    3,253.65x = 8,652,344.73
  5. Step 5: Solve for x
    x = 8,652,344.73/3,253.65
  6. Step 6: Final answer
    x = 2,659.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.