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Finding the Fourth Proportional to 2,887.02, 4,326.21 and 2,671.02

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Solution

The fourth proportional to 2,887.02, 4,326.21 and 2,671.02 is: 4,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.02 : 4,326.21 = 2,671.02 : x
  2. Step 2: Convert to fraction form
    2,887.02/4,326.21 = 2,671.02/x
  3. Step 3: Cross multiply
    2,887.02x = 4,326.21 × 2,671.02
  4. Step 4: Simplify right side
    2,887.02x = 11,555,393.43
  5. Step 5: Solve for x
    x = 11,555,393.43/2,887.02
  6. Step 6: Final answer
    x = 4,002.53

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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.