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Finding the Fourth Proportional to 1,060.12, 1,463.15 and 667.27

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Solution

The fourth proportional to 1,060.12, 1,463.15 and 667.27 is: 920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.12 : 1,463.15 = 667.27 : x
  2. Step 2: Convert to fraction form
    1,060.12/1,463.15 = 667.27/x
  3. Step 3: Cross multiply
    1,060.12x = 1,463.15 × 667.27
  4. Step 4: Simplify right side
    1,060.12x = 976,305.45
  5. Step 5: Solve for x
    x = 976,305.45/1,060.12
  6. Step 6: Final answer
    x = 920.94

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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.