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Finding the Fourth Proportional to 40,653.82, 60,969.78 and 11,064.62

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Solution

The fourth proportional to 40,653.82, 60,969.78 and 11,064.62 is: 16,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.82 : 60,969.78 = 11,064.62 : x
  2. Step 2: Convert to fraction form
    40,653.82/60,969.78 = 11,064.62/x
  3. Step 3: Cross multiply
    40,653.82x = 60,969.78 × 11,064.62
  4. Step 4: Simplify right side
    40,653.82x = 674,607,447.18
  5. Step 5: Solve for x
    x = 674,607,447.18/40,653.82
  6. Step 6: Final answer
    x = 16,593.95

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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.