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Finding the Fourth Proportional to 40,611.97, 60,823.33 and 39,490.93

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Solution

The fourth proportional to 40,611.97, 60,823.33 and 39,490.93 is: 59,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611.97 : 60,823.33 = 39,490.93 : x
  2. Step 2: Convert to fraction form
    40,611.97/60,823.33 = 39,490.93/x
  3. Step 3: Cross multiply
    40,611.97x = 60,823.33 × 39,490.93
  4. Step 4: Simplify right side
    40,611.97x = 2,401,969,867.40
  5. Step 5: Solve for x
    x = 2,401,969,867.40/40,611.97
  6. Step 6: Final answer
    x = 59,144.38

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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.