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Finding the Fourth Proportional to 1,460.83, 2,015.62 and 871.25

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Solution

The fourth proportional to 1,460.83, 2,015.62 and 871.25 is: 1,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.83 : 2,015.62 = 871.25 : x
  2. Step 2: Convert to fraction form
    1,460.83/2,015.62 = 871.25/x
  3. Step 3: Cross multiply
    1,460.83x = 2,015.62 × 871.25
  4. Step 4: Simplify right side
    1,460.83x = 1,756,104.57
  5. Step 5: Solve for x
    x = 1,756,104.57/1,460.83
  6. Step 6: Final answer
    x = 1,202.13

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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.