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Finding the Fourth Proportional to 40,233.80, 60,350.70 and 39,369.80

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Solution

The fourth proportional to 40,233.80, 60,350.70 and 39,369.80 is: 59,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.80 : 60,350.70 = 39,369.80 : x
  2. Step 2: Convert to fraction form
    40,233.80/60,350.70 = 39,369.80/x
  3. Step 3: Cross multiply
    40,233.80x = 60,350.70 × 39,369.80
  4. Step 4: Simplify right side
    40,233.80x = 2,375,994,988.86
  5. Step 5: Solve for x
    x = 2,375,994,988.86/40,233.80
  6. Step 6: Final answer
    x = 59,054.70

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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.