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Finding the Fourth Proportional to 1,167, 1,610.48 and 701.24

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Solution

The fourth proportional to 1,167, 1,610.48 and 701.24 is: 967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167 : 1,610.48 = 701.24 : x
  2. Step 2: Convert to fraction form
    1,167/1,610.48 = 701.24/x
  3. Step 3: Cross multiply
    1,167x = 1,610.48 × 701.24
  4. Step 4: Simplify right side
    1,167x = 1,129,333.00
  5. Step 5: Solve for x
    x = 1,129,333.00/1,167
  6. Step 6: Final answer
    x = 967.72

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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.