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Finding the Fourth Proportional to 29,894.92, 41,271.86 and 19,836.88

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Solution

The fourth proportional to 29,894.92, 41,271.86 and 19,836.88 is: 27,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,894.92 : 41,271.86 = 19,836.88 : x
  2. Step 2: Convert to fraction form
    29,894.92/41,271.86 = 19,836.88/x
  3. Step 3: Cross multiply
    29,894.92x = 41,271.86 × 19,836.88
  4. Step 4: Simplify right side
    29,894.92x = 818,704,934.20
  5. Step 5: Solve for x
    x = 818,704,934.20/29,894.92
  6. Step 6: Final answer
    x = 27,386.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.