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Finding the Fourth Proportional to 61,282.70, 91,913.10 and 16,304.30

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Solution

The fourth proportional to 61,282.70, 91,913.10 and 16,304.30 is: 24,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,282.70 : 91,913.10 = 16,304.30 : x
  2. Step 2: Convert to fraction form
    61,282.70/91,913.10 = 16,304.30/x
  3. Step 3: Cross multiply
    61,282.70x = 91,913.10 × 16,304.30
  4. Step 4: Simplify right side
    61,282.70x = 1,498,578,756.33
  5. Step 5: Solve for x
    x = 1,498,578,756.33/61,282.70
  6. Step 6: Final answer
    x = 24,453.54

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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.