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Finding the Fourth Proportional to 53,449.20, 80,173.80 and 44,992.80

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Solution

The fourth proportional to 53,449.20, 80,173.80 and 44,992.80 is: 67,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.20 : 80,173.80 = 44,992.80 : x
  2. Step 2: Convert to fraction form
    53,449.20/80,173.80 = 44,992.80/x
  3. Step 3: Cross multiply
    53,449.20x = 80,173.80 × 44,992.80
  4. Step 4: Simplify right side
    53,449.20x = 3,607,243,748.64
  5. Step 5: Solve for x
    x = 3,607,243,748.64/53,449.20
  6. Step 6: Final answer
    x = 67,489.20

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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.