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Finding the Fourth Proportional to 22,573.86, 33,869.70 and 6,992.70

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Solution

The fourth proportional to 22,573.86, 33,869.70 and 6,992.70 is: 10,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573.86 : 33,869.70 = 6,992.70 : x
  2. Step 2: Convert to fraction form
    22,573.86/33,869.70 = 6,992.70/x
  3. Step 3: Cross multiply
    22,573.86x = 33,869.70 × 6,992.70
  4. Step 4: Simplify right side
    22,573.86x = 236,840,651.19
  5. Step 5: Solve for x
    x = 236,840,651.19/22,573.86
  6. Step 6: Final answer
    x = 10,491.81

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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.