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Finding the Fourth Proportional to 17,881.75, 26,822.63 and 5,569.75

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Solution

The fourth proportional to 17,881.75, 26,822.63 and 5,569.75 is: 8,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.75 : 26,822.63 = 5,569.75 : x
  2. Step 2: Convert to fraction form
    17,881.75/26,822.63 = 5,569.75/x
  3. Step 3: Cross multiply
    17,881.75x = 26,822.63 × 5,569.75
  4. Step 4: Simplify right side
    17,881.75x = 149,395,343.44
  5. Step 5: Solve for x
    x = 149,395,343.44/17,881.75
  6. Step 6: Final answer
    x = 8,354.63

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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.