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Finding the Fourth Proportional to 67,387.30, 101,093.10 and 27,948.40

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Solution

The fourth proportional to 67,387.30, 101,093.10 and 27,948.40 is: 41,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.30 : 101,093.10 = 27,948.40 : x
  2. Step 2: Convert to fraction form
    67,387.30/101,093.10 = 27,948.40/x
  3. Step 3: Cross multiply
    67,387.30x = 101,093.10 × 27,948.40
  4. Step 4: Simplify right side
    67,387.30x = 2,825,390,396.04
  5. Step 5: Solve for x
    x = 2,825,390,396.04/67,387.30
  6. Step 6: Final answer
    x = 41,927.64

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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.