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Finding the Fourth Proportional to 1,517.64, 2,094.78 and 1,046.22

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Solution

The fourth proportional to 1,517.64, 2,094.78 and 1,046.22 is: 1,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.64 : 2,094.78 = 1,046.22 : x
  2. Step 2: Convert to fraction form
    1,517.64/2,094.78 = 1,046.22/x
  3. Step 3: Cross multiply
    1,517.64x = 2,094.78 × 1,046.22
  4. Step 4: Simplify right side
    1,517.64x = 2,191,600.73
  5. Step 5: Solve for x
    x = 2,191,600.73/1,517.64
  6. Step 6: Final answer
    x = 1,444.08

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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.