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Finding the Fourth Proportional to 40,656.70, 60,984.60 and 11,074.33

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Solution

The fourth proportional to 40,656.70, 60,984.60 and 11,074.33 is: 16,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,656.70 : 60,984.60 = 11,074.33 : x
  2. Step 2: Convert to fraction form
    40,656.70/60,984.60 = 11,074.33/x
  3. Step 3: Cross multiply
    40,656.70x = 60,984.60 × 11,074.33
  4. Step 4: Simplify right side
    40,656.70x = 675,363,585.32
  5. Step 5: Solve for x
    x = 675,363,585.32/40,656.70
  6. Step 6: Final answer
    x = 16,611.37

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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.