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Finding the Fourth Proportional to 17,929.98, 26,898.17 and 7,394.13

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Solution

The fourth proportional to 17,929.98, 26,898.17 and 7,394.13 is: 11,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.98 : 26,898.17 = 7,394.13 : x
  2. Step 2: Convert to fraction form
    17,929.98/26,898.17 = 7,394.13/x
  3. Step 3: Cross multiply
    17,929.98x = 26,898.17 × 7,394.13
  4. Step 4: Simplify right side
    17,929.98x = 198,888,528.77
  5. Step 5: Solve for x
    x = 198,888,528.77/17,929.98
  6. Step 6: Final answer
    x = 11,092.51

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1.5x scale

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.