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Finding the Fourth Proportional to 67,395.94, 101,120.10 and 27,943

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Solution

The fourth proportional to 67,395.94, 101,120.10 and 27,943 is: 41,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,395.94 : 101,120.10 = 27,943 : x
  2. Step 2: Convert to fraction form
    67,395.94/101,120.10 = 27,943/x
  3. Step 3: Cross multiply
    67,395.94x = 101,120.10 × 27,943
  4. Step 4: Simplify right side
    67,395.94x = 2,825,598,954.30
  5. Step 5: Solve for x
    x = 2,825,598,954.30/67,395.94
  6. Step 6: Final answer
    x = 41,925.36

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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.