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Finding the Fourth Proportional to 21,753.95, 32,635.01 and 6,958.90

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Solution

The fourth proportional to 21,753.95, 32,635.01 and 6,958.90 is: 10,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.95 : 32,635.01 = 6,958.90 : x
  2. Step 2: Convert to fraction form
    21,753.95/32,635.01 = 6,958.90/x
  3. Step 3: Cross multiply
    21,753.95x = 32,635.01 × 6,958.90
  4. Step 4: Simplify right side
    21,753.95x = 227,103,706.90
  5. Step 5: Solve for x
    x = 227,103,706.90/21,753.95
  6. Step 6: Final answer
    x = 10,439.65

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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.