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Finding the Fourth Proportional to 22,639.13, 33,947.76 and 9,487.97

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Solution

The fourth proportional to 22,639.13, 33,947.76 and 9,487.97 is: 14,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.13 : 33,947.76 = 9,487.97 : x
  2. Step 2: Convert to fraction form
    22,639.13/33,947.76 = 9,487.97/x
  3. Step 3: Cross multiply
    22,639.13x = 33,947.76 × 9,487.97
  4. Step 4: Simplify right side
    22,639.13x = 322,095,328.45
  5. Step 5: Solve for x
    x = 322,095,328.45/22,639.13
  6. Step 6: Final answer
    x = 14,227.37

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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.