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Finding the Fourth Proportional to 22,356.92, 33,541.44 and 19,908.74

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Solution

The fourth proportional to 22,356.92, 33,541.44 and 19,908.74 is: 29,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.92 : 33,541.44 = 19,908.74 : x
  2. Step 2: Convert to fraction form
    22,356.92/33,541.44 = 19,908.74/x
  3. Step 3: Cross multiply
    22,356.92x = 33,541.44 × 19,908.74
  4. Step 4: Simplify right side
    22,356.92x = 667,767,808.19
  5. Step 5: Solve for x
    x = 667,767,808.19/22,356.92
  6. Step 6: Final answer
    x = 29,868.51

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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.