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Finding the Fourth Proportional to 1,170.22, 1,753.80 and 1,046.09

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Solution

The fourth proportional to 1,170.22, 1,753.80 and 1,046.09 is: 1,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.22 : 1,753.80 = 1,046.09 : x
  2. Step 2: Convert to fraction form
    1,170.22/1,753.80 = 1,046.09/x
  3. Step 3: Cross multiply
    1,170.22x = 1,753.80 × 1,046.09
  4. Step 4: Simplify right side
    1,170.22x = 1,834,634.06
  5. Step 5: Solve for x
    x = 1,834,634.06/1,170.22
  6. Step 6: Final answer
    x = 1,567.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.