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Finding the Fourth Proportional to 1,344.01, 1,854.72 and 754.54

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Solution

The fourth proportional to 1,344.01, 1,854.72 and 754.54 is: 1,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.01 : 1,854.72 = 754.54 : x
  2. Step 2: Convert to fraction form
    1,344.01/1,854.72 = 754.54/x
  3. Step 3: Cross multiply
    1,344.01x = 1,854.72 × 754.54
  4. Step 4: Simplify right side
    1,344.01x = 1,399,467.81
  5. Step 5: Solve for x
    x = 1,399,467.81/1,344.01
  6. Step 6: Final answer
    x = 1,041.26

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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.