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Finding the Fourth Proportional to 72,449.50, 108,675.60 and 22,529.20

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Solution

The fourth proportional to 72,449.50, 108,675.60 and 22,529.20 is: 33,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,449.50 : 108,675.60 = 22,529.20 : x
  2. Step 2: Convert to fraction form
    72,449.50/108,675.60 = 22,529.20/x
  3. Step 3: Cross multiply
    72,449.50x = 108,675.60 × 22,529.20
  4. Step 4: Simplify right side
    72,449.50x = 2,448,374,327.52
  5. Step 5: Solve for x
    x = 2,448,374,327.52/72,449.50
  6. Step 6: Final answer
    x = 33,794.22

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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.