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Finding the Fourth Proportional to 1,419.72, 1,959.48 and 1,062.62

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Solution

The fourth proportional to 1,419.72, 1,959.48 and 1,062.62 is: 1,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.72 : 1,959.48 = 1,062.62 : x
  2. Step 2: Convert to fraction form
    1,419.72/1,959.48 = 1,062.62/x
  3. Step 3: Cross multiply
    1,419.72x = 1,959.48 × 1,062.62
  4. Step 4: Simplify right side
    1,419.72x = 2,082,182.64
  5. Step 5: Solve for x
    x = 2,082,182.64/1,419.72
  6. Step 6: Final answer
    x = 1,466.61

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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.