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Finding the Fourth Proportional to 3,253.62, 4,490.08 and 1,926.84

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Solution

The fourth proportional to 3,253.62, 4,490.08 and 1,926.84 is: 2,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.62 : 4,490.08 = 1,926.84 : x
  2. Step 2: Convert to fraction form
    3,253.62/4,490.08 = 1,926.84/x
  3. Step 3: Cross multiply
    3,253.62x = 4,490.08 × 1,926.84
  4. Step 4: Simplify right side
    3,253.62x = 8,651,665.75
  5. Step 5: Solve for x
    x = 8,651,665.75/3,253.62
  6. Step 6: Final answer
    x = 2,659.09

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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.