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Finding the Fourth Proportional to 21,732.98, 32,601.84 and 6,938.42

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Solution

The fourth proportional to 21,732.98, 32,601.84 and 6,938.42 is: 10,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.98 : 32,601.84 = 6,938.42 : x
  2. Step 2: Convert to fraction form
    21,732.98/32,601.84 = 6,938.42/x
  3. Step 3: Cross multiply
    21,732.98x = 32,601.84 × 6,938.42
  4. Step 4: Simplify right side
    21,732.98x = 226,205,258.69
  5. Step 5: Solve for x
    x = 226,205,258.69/21,732.98
  6. Step 6: Final answer
    x = 10,408.39

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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.