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Finding the Fourth Proportional to 22,704.69, 34,062.81 and 7,122.45

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Solution

The fourth proportional to 22,704.69, 34,062.81 and 7,122.45 is: 10,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.69 : 34,062.81 = 7,122.45 : x
  2. Step 2: Convert to fraction form
    22,704.69/34,062.81 = 7,122.45/x
  3. Step 3: Cross multiply
    22,704.69x = 34,062.81 × 7,122.45
  4. Step 4: Simplify right side
    22,704.69x = 242,610,661.08
  5. Step 5: Solve for x
    x = 242,610,661.08/22,704.69
  6. Step 6: Final answer
    x = 10,685.49

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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.