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Finding the Fourth Proportional to 1,327.50, 1,832.06 and 768.14

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Solution

The fourth proportional to 1,327.50, 1,832.06 and 768.14 is: 1,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.50 : 1,832.06 = 768.14 : x
  2. Step 2: Convert to fraction form
    1,327.50/1,832.06 = 768.14/x
  3. Step 3: Cross multiply
    1,327.50x = 1,832.06 × 768.14
  4. Step 4: Simplify right side
    1,327.50x = 1,407,278.57
  5. Step 5: Solve for x
    x = 1,407,278.57/1,327.50
  6. Step 6: Final answer
    x = 1,060.10

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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.