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Finding the Fourth Proportional to 1,797.50, 2,479.20 and 1,633.88

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Solution

The fourth proportional to 1,797.50, 2,479.20 and 1,633.88 is: 2,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.50 : 2,479.20 = 1,633.88 : x
  2. Step 2: Convert to fraction form
    1,797.50/2,479.20 = 1,633.88/x
  3. Step 3: Cross multiply
    1,797.50x = 2,479.20 × 1,633.88
  4. Step 4: Simplify right side
    1,797.50x = 4,050,715.30
  5. Step 5: Solve for x
    x = 4,050,715.30/1,797.50
  6. Step 6: Final answer
    x = 2,253.53

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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.