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Finding the Fourth Proportional to 17,929.70, 26,894.33 and 8,062.01

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Solution

The fourth proportional to 17,929.70, 26,894.33 and 8,062.01 is: 12,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.70 : 26,894.33 = 8,062.01 : x
  2. Step 2: Convert to fraction form
    17,929.70/26,894.33 = 8,062.01/x
  3. Step 3: Cross multiply
    17,929.70x = 26,894.33 × 8,062.01
  4. Step 4: Simplify right side
    17,929.70x = 216,822,182.62
  5. Step 5: Solve for x
    x = 216,822,182.62/17,929.70
  6. Step 6: Final answer
    x = 12,092.91

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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.