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Finding the Fourth Proportional to 1,061.30, 1,462.86 and 746.92

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Solution

The fourth proportional to 1,061.30, 1,462.86 and 746.92 is: 1,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.30 : 1,462.86 = 746.92 : x
  2. Step 2: Convert to fraction form
    1,061.30/1,462.86 = 746.92/x
  3. Step 3: Cross multiply
    1,061.30x = 1,462.86 × 746.92
  4. Step 4: Simplify right side
    1,061.30x = 1,092,641.22
  5. Step 5: Solve for x
    x = 1,092,641.22/1,061.30
  6. Step 6: Final answer
    x = 1,029.53

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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.