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Finding the Fourth Proportional to 67,371.84, 101,058 and 20,624.52

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Solution

The fourth proportional to 67,371.84, 101,058 and 20,624.52 is: 30,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.84 : 101,058 = 20,624.52 : x
  2. Step 2: Convert to fraction form
    67,371.84/101,058 = 20,624.52/x
  3. Step 3: Cross multiply
    67,371.84x = 101,058 × 20,624.52
  4. Step 4: Simplify right side
    67,371.84x = 2,084,272,742.16
  5. Step 5: Solve for x
    x = 2,084,272,742.16/67,371.84
  6. Step 6: Final answer
    x = 30,936.85

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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.