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Finding the Fourth Proportional to 40,684.48, 60,919.92 and 32,744.80

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Solution

The fourth proportional to 40,684.48, 60,919.92 and 32,744.80 is: 49,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.48 : 60,919.92 = 32,744.80 : x
  2. Step 2: Convert to fraction form
    40,684.48/60,919.92 = 32,744.80/x
  3. Step 3: Cross multiply
    40,684.48x = 60,919.92 × 32,744.80
  4. Step 4: Simplify right side
    40,684.48x = 1,994,810,596.42
  5. Step 5: Solve for x
    x = 1,994,810,596.42/40,684.48
  6. Step 6: Final answer
    x = 49,031.24

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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.