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Finding the Fourth Proportional to 1,083.02, 1,616.02 and 1,016.90

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Solution

The fourth proportional to 1,083.02, 1,616.02 and 1,016.90 is: 1,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.02 : 1,616.02 = 1,016.90 : x
  2. Step 2: Convert to fraction form
    1,083.02/1,616.02 = 1,016.90/x
  3. Step 3: Cross multiply
    1,083.02x = 1,616.02 × 1,016.90
  4. Step 4: Simplify right side
    1,083.02x = 1,643,322.66
  5. Step 5: Solve for x
    x = 1,643,322.66/1,083.02
  6. Step 6: Final answer
    x = 1,517.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.