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Finding the Fourth Proportional to 1,167.44, 1,610.71 and 695.09

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Solution

The fourth proportional to 1,167.44, 1,610.71 and 695.09 is: 959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.44 : 1,610.71 = 695.09 : x
  2. Step 2: Convert to fraction form
    1,167.44/1,610.71 = 695.09/x
  3. Step 3: Cross multiply
    1,167.44x = 1,610.71 × 695.09
  4. Step 4: Simplify right side
    1,167.44x = 1,119,594.18
  5. Step 5: Solve for x
    x = 1,119,594.18/1,167.44
  6. Step 6: Final answer
    x = 959.02

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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.