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Finding the Fourth Proportional to 9,943.71, 14,882.76 and 8,850.21

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Solution

The fourth proportional to 9,943.71, 14,882.76 and 8,850.21 is: 13,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.71 : 14,882.76 = 8,850.21 : x
  2. Step 2: Convert to fraction form
    9,943.71/14,882.76 = 8,850.21/x
  3. Step 3: Cross multiply
    9,943.71x = 14,882.76 × 8,850.21
  4. Step 4: Simplify right side
    9,943.71x = 131,715,604.18
  5. Step 5: Solve for x
    x = 131,715,604.18/9,943.71
  6. Step 6: Final answer
    x = 13,246.12

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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.