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Finding the Fourth Proportional to 16,658.56, 22,991.46 and 9,583.60

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Solution

The fourth proportional to 16,658.56, 22,991.46 and 9,583.60 is: 13,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.56 : 22,991.46 = 9,583.60 : x
  2. Step 2: Convert to fraction form
    16,658.56/22,991.46 = 9,583.60/x
  3. Step 3: Cross multiply
    16,658.56x = 22,991.46 × 9,583.60
  4. Step 4: Simplify right side
    16,658.56x = 220,340,956.06
  5. Step 5: Solve for x
    x = 220,340,956.06/16,658.56
  6. Step 6: Final answer
    x = 13,226.89

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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.