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Finding the Fourth Proportional to 62,197.38, 93,310.65 and 20,644.38

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Solution

The fourth proportional to 62,197.38, 93,310.65 and 20,644.38 is: 30,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,197.38 : 93,310.65 = 20,644.38 : x
  2. Step 2: Convert to fraction form
    62,197.38/93,310.65 = 20,644.38/x
  3. Step 3: Cross multiply
    62,197.38x = 93,310.65 × 20,644.38
  4. Step 4: Simplify right side
    62,197.38x = 1,926,340,516.65
  5. Step 5: Solve for x
    x = 1,926,340,516.65/62,197.38
  6. Step 6: Final answer
    x = 30,971.41

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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.