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Finding the Fourth Proportional to 74,367.06, 111,550.60 and 18,963.06

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Solution

The fourth proportional to 74,367.06, 111,550.60 and 18,963.06 is: 28,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.06 : 111,550.60 = 18,963.06 : x
  2. Step 2: Convert to fraction form
    74,367.06/111,550.60 = 18,963.06/x
  3. Step 3: Cross multiply
    74,367.06x = 111,550.60 × 18,963.06
  4. Step 4: Simplify right side
    74,367.06x = 2,115,340,720.84
  5. Step 5: Solve for x
    x = 2,115,340,720.84/74,367.06
  6. Step 6: Final answer
    x = 28,444.59

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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.