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Finding the Fourth Proportional to 2,199.52, 3,035.52 and 1,805.44

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Solution

The fourth proportional to 2,199.52, 3,035.52 and 1,805.44 is: 2,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.52 : 3,035.52 = 1,805.44 : x
  2. Step 2: Convert to fraction form
    2,199.52/3,035.52 = 1,805.44/x
  3. Step 3: Cross multiply
    2,199.52x = 3,035.52 × 1,805.44
  4. Step 4: Simplify right side
    2,199.52x = 5,480,449.23
  5. Step 5: Solve for x
    x = 5,480,449.23/2,199.52
  6. Step 6: Final answer
    x = 2,491.66

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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.