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Finding the Fourth Proportional to 23,245.71, 34,868.22 and 5,715.69

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Solution

The fourth proportional to 23,245.71, 34,868.22 and 5,715.69 is: 8,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.71 : 34,868.22 = 5,715.69 : x
  2. Step 2: Convert to fraction form
    23,245.71/34,868.22 = 5,715.69/x
  3. Step 3: Cross multiply
    23,245.71x = 34,868.22 × 5,715.69
  4. Step 4: Simplify right side
    23,245.71x = 199,295,936.37
  5. Step 5: Solve for x
    x = 199,295,936.37/23,245.71
  6. Step 6: Final answer
    x = 8,573.45

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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.