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Finding the Fourth Proportional to 40,064.42, 60,084.84 and 15,086.42

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Solution

The fourth proportional to 40,064.42, 60,084.84 and 15,086.42 is: 22,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.42 : 60,084.84 = 15,086.42 : x
  2. Step 2: Convert to fraction form
    40,064.42/60,084.84 = 15,086.42/x
  3. Step 3: Cross multiply
    40,064.42x = 60,084.84 × 15,086.42
  4. Step 4: Simplify right side
    40,064.42x = 906,465,131.87
  5. Step 5: Solve for x
    x = 906,465,131.87/40,064.42
  6. Step 6: Final answer
    x = 22,625.19

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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.