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Finding the Fourth Proportional to 1,085.14, 1,498.71 and 735.22

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Solution

The fourth proportional to 1,085.14, 1,498.71 and 735.22 is: 1,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.14 : 1,498.71 = 735.22 : x
  2. Step 2: Convert to fraction form
    1,085.14/1,498.71 = 735.22/x
  3. Step 3: Cross multiply
    1,085.14x = 1,498.71 × 735.22
  4. Step 4: Simplify right side
    1,085.14x = 1,101,881.57
  5. Step 5: Solve for x
    x = 1,101,881.57/1,085.14
  6. Step 6: Final answer
    x = 1,015.43

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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.