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Finding the Fourth Proportional to 22,417.47, 33,629.91 and 8,382.41

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Solution

The fourth proportional to 22,417.47, 33,629.91 and 8,382.41 is: 12,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.47 : 33,629.91 = 8,382.41 : x
  2. Step 2: Convert to fraction form
    22,417.47/33,629.91 = 8,382.41/x
  3. Step 3: Cross multiply
    22,417.47x = 33,629.91 × 8,382.41
  4. Step 4: Simplify right side
    22,417.47x = 281,899,525.73
  5. Step 5: Solve for x
    x = 281,899,525.73/22,417.47
  6. Step 6: Final answer
    x = 12,574.99

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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.