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Finding the Fourth Proportional to 21,839.34, 32,758.92 and 6,256.92

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Solution

The fourth proportional to 21,839.34, 32,758.92 and 6,256.92 is: 9,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.34 : 32,758.92 = 6,256.92 : x
  2. Step 2: Convert to fraction form
    21,839.34/32,758.92 = 6,256.92/x
  3. Step 3: Cross multiply
    21,839.34x = 32,758.92 × 6,256.92
  4. Step 4: Simplify right side
    21,839.34x = 204,969,941.73
  5. Step 5: Solve for x
    x = 204,969,941.73/21,839.34
  6. Step 6: Final answer
    x = 9,385.35

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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.