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Finding the Fourth Proportional to 2,735, 4,102.98 and 1,003.24

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Solution

The fourth proportional to 2,735, 4,102.98 and 1,003.24 is: 1,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735 : 4,102.98 = 1,003.24 : x
  2. Step 2: Convert to fraction form
    2,735/4,102.98 = 1,003.24/x
  3. Step 3: Cross multiply
    2,735x = 4,102.98 × 1,003.24
  4. Step 4: Simplify right side
    2,735x = 4,116,273.66
  5. Step 5: Solve for x
    x = 4,116,273.66/2,735
  6. Step 6: Final answer
    x = 1,505.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.