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Finding the Fourth Proportional to 1,110.06, 1,532.01 and 667.94

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Solution

The fourth proportional to 1,110.06, 1,532.01 and 667.94 is: 921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.06 : 1,532.01 = 667.94 : x
  2. Step 2: Convert to fraction form
    1,110.06/1,532.01 = 667.94/x
  3. Step 3: Cross multiply
    1,110.06x = 1,532.01 × 667.94
  4. Step 4: Simplify right side
    1,110.06x = 1,023,283.10
  5. Step 5: Solve for x
    x = 1,023,283.10/1,110.06
  6. Step 6: Final answer
    x = 921.83

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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.