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Finding the Fourth Proportional to 40,698.56, 60,949.41 and 35,187.32

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Solution

The fourth proportional to 40,698.56, 60,949.41 and 35,187.32 is: 52,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.56 : 60,949.41 = 35,187.32 : x
  2. Step 2: Convert to fraction form
    40,698.56/60,949.41 = 35,187.32/x
  3. Step 3: Cross multiply
    40,698.56x = 60,949.41 × 35,187.32
  4. Step 4: Simplify right side
    40,698.56x = 2,144,646,088.73
  5. Step 5: Solve for x
    x = 2,144,646,088.73/40,698.56
  6. Step 6: Final answer
    x = 52,695.88

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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.