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Finding the Fourth Proportional to 1,085.97, 1,499.01 and 732.42

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Solution

The fourth proportional to 1,085.97, 1,499.01 and 732.42 is: 1,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.97 : 1,499.01 = 732.42 : x
  2. Step 2: Convert to fraction form
    1,085.97/1,499.01 = 732.42/x
  3. Step 3: Cross multiply
    1,085.97x = 1,499.01 × 732.42
  4. Step 4: Simplify right side
    1,085.97x = 1,097,904.90
  5. Step 5: Solve for x
    x = 1,097,904.90/1,085.97
  6. Step 6: Final answer
    x = 1,010.99

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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.