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Finding the Fourth Proportional to 1,517.52, 2,094.45 and 888.01

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Solution

The fourth proportional to 1,517.52, 2,094.45 and 888.01 is: 1,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.52 : 2,094.45 = 888.01 : x
  2. Step 2: Convert to fraction form
    1,517.52/2,094.45 = 888.01/x
  3. Step 3: Cross multiply
    1,517.52x = 2,094.45 × 888.01
  4. Step 4: Simplify right side
    1,517.52x = 1,859,892.54
  5. Step 5: Solve for x
    x = 1,859,892.54/1,517.52
  6. Step 6: Final answer
    x = 1,225.61

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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.