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Finding the Fourth Proportional to 82,671, 124,006.56 and 27,267

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Solution

The fourth proportional to 82,671, 124,006.56 and 27,267 is: 40,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,671 : 124,006.56 = 27,267 : x
  2. Step 2: Convert to fraction form
    82,671/124,006.56 = 27,267/x
  3. Step 3: Cross multiply
    82,671x = 124,006.56 × 27,267
  4. Step 4: Simplify right side
    82,671x = 3,381,286,871.52
  5. Step 5: Solve for x
    x = 3,381,286,871.52/82,671
  6. Step 6: Final answer
    x = 40,900.52

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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.