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Finding the Fourth Proportional to 1,100.22, 1,514.24 and 964.88

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Solution

The fourth proportional to 1,100.22, 1,514.24 and 964.88 is: 1,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.22 : 1,514.24 = 964.88 : x
  2. Step 2: Convert to fraction form
    1,100.22/1,514.24 = 964.88/x
  3. Step 3: Cross multiply
    1,100.22x = 1,514.24 × 964.88
  4. Step 4: Simplify right side
    1,100.22x = 1,461,059.89
  5. Step 5: Solve for x
    x = 1,461,059.89/1,100.22
  6. Step 6: Final answer
    x = 1,327.97

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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.