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Finding the Fourth Proportional to 74,367.86, 111,503.30 and 26,974.12

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Solution

The fourth proportional to 74,367.86, 111,503.30 and 26,974.12 is: 40,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.86 : 111,503.30 = 26,974.12 : x
  2. Step 2: Convert to fraction form
    74,367.86/111,503.30 = 26,974.12/x
  3. Step 3: Cross multiply
    74,367.86x = 111,503.30 × 26,974.12
  4. Step 4: Simplify right side
    74,367.86x = 3,007,703,394.60
  5. Step 5: Solve for x
    x = 3,007,703,394.60/74,367.86
  6. Step 6: Final answer
    x = 40,443.59

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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.