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Finding the Fourth Proportional to 67,953.99, 101,936.31 and 18,033

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Solution

The fourth proportional to 67,953.99, 101,936.31 and 18,033 is: 27,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,953.99 : 101,936.31 = 18,033 : x
  2. Step 2: Convert to fraction form
    67,953.99/101,936.31 = 18,033/x
  3. Step 3: Cross multiply
    67,953.99x = 101,936.31 × 18,033
  4. Step 4: Simplify right side
    67,953.99x = 1,838,217,478.23
  5. Step 5: Solve for x
    x = 1,838,217,478.23/67,953.99
  6. Step 6: Final answer
    x = 27,050.91

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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.