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Finding the Fourth Proportional to 17,876.97, 26,818.95 and 5,398.01

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Solution

The fourth proportional to 17,876.97, 26,818.95 and 5,398.01 is: 8,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.97 : 26,818.95 = 5,398.01 : x
  2. Step 2: Convert to fraction form
    17,876.97/26,818.95 = 5,398.01/x
  3. Step 3: Cross multiply
    17,876.97x = 26,818.95 × 5,398.01
  4. Step 4: Simplify right side
    17,876.97x = 144,768,960.29
  5. Step 5: Solve for x
    x = 144,768,960.29/17,876.97
  6. Step 6: Final answer
    x = 8,098.07

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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.