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Finding the Fourth Proportional to 1,775.16, 2,454.03 and 1,613.16

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Solution

The fourth proportional to 1,775.16, 2,454.03 and 1,613.16 is: 2,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.16 : 2,454.03 = 1,613.16 : x
  2. Step 2: Convert to fraction form
    1,775.16/2,454.03 = 1,613.16/x
  3. Step 3: Cross multiply
    1,775.16x = 2,454.03 × 1,613.16
  4. Step 4: Simplify right side
    1,775.16x = 3,958,743.03
  5. Step 5: Solve for x
    x = 3,958,743.03/1,775.16
  6. Step 6: Final answer
    x = 2,230.08

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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.