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Finding the Fourth Proportional to 2,671.29, 4,003.87 and 1,026.99

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Solution

The fourth proportional to 2,671.29, 4,003.87 and 1,026.99 is: 1,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.29 : 4,003.87 = 1,026.99 : x
  2. Step 2: Convert to fraction form
    2,671.29/4,003.87 = 1,026.99/x
  3. Step 3: Cross multiply
    2,671.29x = 4,003.87 × 1,026.99
  4. Step 4: Simplify right side
    2,671.29x = 4,111,934.45
  5. Step 5: Solve for x
    x = 4,111,934.45/2,671.29
  6. Step 6: Final answer
    x = 1,539.31

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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.