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Finding the Fourth Proportional to 53,734.44, 80,601.66 and 20,446.68

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Solution

The fourth proportional to 53,734.44, 80,601.66 and 20,446.68 is: 30,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,734.44 : 80,601.66 = 20,446.68 : x
  2. Step 2: Convert to fraction form
    53,734.44/80,601.66 = 20,446.68/x
  3. Step 3: Cross multiply
    53,734.44x = 80,601.66 × 20,446.68
  4. Step 4: Simplify right side
    53,734.44x = 1,648,036,349.49
  5. Step 5: Solve for x
    x = 1,648,036,349.49/53,734.44
  6. Step 6: Final answer
    x = 30,670.02

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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.