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Finding the Fourth Proportional to 1,517.51, 2,093.33 and 888.14

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Solution

The fourth proportional to 1,517.51, 2,093.33 and 888.14 is: 1,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.51 : 2,093.33 = 888.14 : x
  2. Step 2: Convert to fraction form
    1,517.51/2,093.33 = 888.14/x
  3. Step 3: Cross multiply
    1,517.51x = 2,093.33 × 888.14
  4. Step 4: Simplify right side
    1,517.51x = 1,859,155.20
  5. Step 5: Solve for x
    x = 1,859,155.20/1,517.51
  6. Step 6: Final answer
    x = 1,225.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.