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Finding the Fourth Proportional to 22,639.68, 33,972.84 and 9,491.04

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Solution

The fourth proportional to 22,639.68, 33,972.84 and 9,491.04 is: 14,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.68 : 33,972.84 = 9,491.04 : x
  2. Step 2: Convert to fraction form
    22,639.68/33,972.84 = 9,491.04/x
  3. Step 3: Cross multiply
    22,639.68x = 33,972.84 × 9,491.04
  4. Step 4: Simplify right side
    22,639.68x = 322,437,583.35
  5. Step 5: Solve for x
    x = 322,437,583.35/22,639.68
  6. Step 6: Final answer
    x = 14,242.14

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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.