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Finding the Fourth Proportional to 17,898.10, 26,839.05 and 8,032.30

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Solution

The fourth proportional to 17,898.10, 26,839.05 and 8,032.30 is: 12,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.10 : 26,839.05 = 8,032.30 : x
  2. Step 2: Convert to fraction form
    17,898.10/26,839.05 = 8,032.30/x
  3. Step 3: Cross multiply
    17,898.10x = 26,839.05 × 8,032.30
  4. Step 4: Simplify right side
    17,898.10x = 215,579,301.32
  5. Step 5: Solve for x
    x = 215,579,301.32/17,898.10
  6. Step 6: Final answer
    x = 12,044.81

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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.