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Finding the Fourth Proportional to 40,740, 61,110.36 and 16,116

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Solution

The fourth proportional to 40,740, 61,110.36 and 16,116 is: 24,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740 : 61,110.36 = 16,116 : x
  2. Step 2: Convert to fraction form
    40,740/61,110.36 = 16,116/x
  3. Step 3: Cross multiply
    40,740x = 61,110.36 × 16,116
  4. Step 4: Simplify right side
    40,740x = 984,854,561.76
  5. Step 5: Solve for x
    x = 984,854,561.76/40,740
  6. Step 6: Final answer
    x = 24,174.14

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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.