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Finding the Fourth Proportional to 74,367.48, 111,550.48 and 18,207.84

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Solution

The fourth proportional to 74,367.48, 111,550.48 and 18,207.84 is: 27,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.48 : 111,550.48 = 18,207.84 : x
  2. Step 2: Convert to fraction form
    74,367.48/111,550.48 = 18,207.84/x
  3. Step 3: Cross multiply
    74,367.48x = 111,550.48 × 18,207.84
  4. Step 4: Simplify right side
    74,367.48x = 2,031,093,291.76
  5. Step 5: Solve for x
    x = 2,031,093,291.76/74,367.48
  6. Step 6: Final answer
    x = 27,311.58

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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.