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Finding the Fourth Proportional to 16,365.44, 22,584.56 and 8,913.44

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Solution

The fourth proportional to 16,365.44, 22,584.56 and 8,913.44 is: 12,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.44 : 22,584.56 = 8,913.44 : x
  2. Step 2: Convert to fraction form
    16,365.44/22,584.56 = 8,913.44/x
  3. Step 3: Cross multiply
    16,365.44x = 22,584.56 × 8,913.44
  4. Step 4: Simplify right side
    16,365.44x = 201,306,120.49
  5. Step 5: Solve for x
    x = 201,306,120.49/16,365.44
  6. Step 6: Final answer
    x = 12,300.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.