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Finding the Fourth Proportional to 16,657.52, 22,986.68 and 9,855.95

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Solution

The fourth proportional to 16,657.52, 22,986.68 and 9,855.95 is: 13,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.52 : 22,986.68 = 9,855.95 : x
  2. Step 2: Convert to fraction form
    16,657.52/22,986.68 = 9,855.95/x
  3. Step 3: Cross multiply
    16,657.52x = 22,986.68 × 9,855.95
  4. Step 4: Simplify right side
    16,657.52x = 226,555,535.92
  5. Step 5: Solve for x
    x = 226,555,535.92/16,657.52
  6. Step 6: Final answer
    x = 13,600.80

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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.