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Finding the Fourth Proportional to 17,739, 26,608.50 and 9,948.42

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Solution

The fourth proportional to 17,739, 26,608.50 and 9,948.42 is: 14,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739 : 26,608.50 = 9,948.42 : x
  2. Step 2: Convert to fraction form
    17,739/26,608.50 = 9,948.42/x
  3. Step 3: Cross multiply
    17,739x = 26,608.50 × 9,948.42
  4. Step 4: Simplify right side
    17,739x = 264,712,533.57
  5. Step 5: Solve for x
    x = 264,712,533.57/17,739
  6. Step 6: Final answer
    x = 14,922.63

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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.