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Finding the Fourth Proportional to 1,192.52, 1,645.69 and 695.46

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Solution

The fourth proportional to 1,192.52, 1,645.69 and 695.46 is: 959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.52 : 1,645.69 = 695.46 : x
  2. Step 2: Convert to fraction form
    1,192.52/1,645.69 = 695.46/x
  3. Step 3: Cross multiply
    1,192.52x = 1,645.69 × 695.46
  4. Step 4: Simplify right side
    1,192.52x = 1,144,511.57
  5. Step 5: Solve for x
    x = 1,144,511.57/1,192.52
  6. Step 6: Final answer
    x = 959.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.