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Finding the Fourth Proportional to 67,952.65, 101,921.06 and 18,036.63

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Solution

The fourth proportional to 67,952.65, 101,921.06 and 18,036.63 is: 27,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,952.65 : 101,921.06 = 18,036.63 : x
  2. Step 2: Convert to fraction form
    67,952.65/101,921.06 = 18,036.63/x
  3. Step 3: Cross multiply
    67,952.65x = 101,921.06 × 18,036.63
  4. Step 4: Simplify right side
    67,952.65x = 1,838,312,249.04
  5. Step 5: Solve for x
    x = 1,838,312,249.04/67,952.65
  6. Step 6: Final answer
    x = 27,052.84

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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.