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Finding the Fourth Proportional to 17,881.46, 26,822.06 and 4,372.46

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Solution

The fourth proportional to 17,881.46, 26,822.06 and 4,372.46 is: 6,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.46 : 26,822.06 = 4,372.46 : x
  2. Step 2: Convert to fraction form
    17,881.46/26,822.06 = 4,372.46/x
  3. Step 3: Cross multiply
    17,881.46x = 26,822.06 × 4,372.46
  4. Step 4: Simplify right side
    17,881.46x = 117,278,228.50
  5. Step 5: Solve for x
    x = 117,278,228.50/17,881.46
  6. Step 6: Final answer
    x = 6,558.65

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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.