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Finding the Fourth Proportional to 40,079.80, 60,119.65 and 16,074.93

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Solution

The fourth proportional to 40,079.80, 60,119.65 and 16,074.93 is: 24,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.80 : 60,119.65 = 16,074.93 : x
  2. Step 2: Convert to fraction form
    40,079.80/60,119.65 = 16,074.93/x
  3. Step 3: Cross multiply
    40,079.80x = 60,119.65 × 16,074.93
  4. Step 4: Simplify right side
    40,079.80x = 966,419,320.50
  5. Step 5: Solve for x
    x = 966,419,320.50/40,079.80
  6. Step 6: Final answer
    x = 24,112.38

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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.