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Finding the Fourth Proportional to 62,226.70, 93,340.05 and 20,673.70

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Solution

The fourth proportional to 62,226.70, 93,340.05 and 20,673.70 is: 31,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,226.70 : 93,340.05 = 20,673.70 : x
  2. Step 2: Convert to fraction form
    62,226.70/93,340.05 = 20,673.70/x
  3. Step 3: Cross multiply
    62,226.70x = 93,340.05 × 20,673.70
  4. Step 4: Simplify right side
    62,226.70x = 1,929,684,191.69
  5. Step 5: Solve for x
    x = 1,929,684,191.69/62,226.70
  6. Step 6: Final answer
    x = 31,010.55

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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.