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Finding the Fourth Proportional to 964.29, 1,331.20 and 754.10

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Solution

The fourth proportional to 964.29, 1,331.20 and 754.10 is: 1,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.29 : 1,331.20 = 754.10 : x
  2. Step 2: Convert to fraction form
    964.29/1,331.20 = 754.10/x
  3. Step 3: Cross multiply
    964.29x = 1,331.20 × 754.10
  4. Step 4: Simplify right side
    964.29x = 1,003,857.92
  5. Step 5: Solve for x
    x = 1,003,857.92/964.29
  6. Step 6: Final answer
    x = 1,041.03

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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.