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Finding the Fourth Proportional to 33,315.66, 49,948.79 and 20,164.91

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Solution

The fourth proportional to 33,315.66, 49,948.79 and 20,164.91 is: 30,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.66 : 49,948.79 = 20,164.91 : x
  2. Step 2: Convert to fraction form
    33,315.66/49,948.79 = 20,164.91/x
  3. Step 3: Cross multiply
    33,315.66x = 49,948.79 × 20,164.91
  4. Step 4: Simplify right side
    33,315.66x = 1,007,212,504.39
  5. Step 5: Solve for x
    x = 1,007,212,504.39/33,315.66
  6. Step 6: Final answer
    x = 30,232.40

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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.