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Finding the Fourth Proportional to 4,534, 6,257.28 and 2,671.36

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Solution

The fourth proportional to 4,534, 6,257.28 and 2,671.36 is: 3,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,534 : 6,257.28 = 2,671.36 : x
  2. Step 2: Convert to fraction form
    4,534/6,257.28 = 2,671.36/x
  3. Step 3: Cross multiply
    4,534x = 6,257.28 × 2,671.36
  4. Step 4: Simplify right side
    4,534x = 16,715,447.50
  5. Step 5: Solve for x
    x = 16,715,447.50/4,534
  6. Step 6: Final answer
    x = 3,686.69

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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.