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Finding the Fourth Proportional to 40,578.88, 60,705.84 and 35,091.52

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Solution

The fourth proportional to 40,578.88, 60,705.84 and 35,091.52 is: 52,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.88 : 60,705.84 = 35,091.52 : x
  2. Step 2: Convert to fraction form
    40,578.88/60,705.84 = 35,091.52/x
  3. Step 3: Cross multiply
    40,578.88x = 60,705.84 × 35,091.52
  4. Step 4: Simplify right side
    40,578.88x = 2,130,260,198.48
  5. Step 5: Solve for x
    x = 2,130,260,198.48/40,578.88
  6. Step 6: Final answer
    x = 52,496.77

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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.