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Finding the Fourth Proportional to 16,578.52, 24,860.49 and 8,785.54

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Solution

The fourth proportional to 16,578.52, 24,860.49 and 8,785.54 is: 13,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.52 : 24,860.49 = 8,785.54 : x
  2. Step 2: Convert to fraction form
    16,578.52/24,860.49 = 8,785.54/x
  3. Step 3: Cross multiply
    16,578.52x = 24,860.49 × 8,785.54
  4. Step 4: Simplify right side
    16,578.52x = 218,412,829.31
  5. Step 5: Solve for x
    x = 218,412,829.31/16,578.52
  6. Step 6: Final answer
    x = 13,174.45

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1.5x scale

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.