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Finding the Fourth Proportional to 16,626.10, 22,944.08 and 9,072.60

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Solution

The fourth proportional to 16,626.10, 22,944.08 and 9,072.60 is: 12,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,626.10 : 22,944.08 = 9,072.60 : x
  2. Step 2: Convert to fraction form
    16,626.10/22,944.08 = 9,072.60/x
  3. Step 3: Cross multiply
    16,626.10x = 22,944.08 × 9,072.60
  4. Step 4: Simplify right side
    16,626.10x = 208,162,429.48
  5. Step 5: Solve for x
    x = 208,162,429.48/16,626.10
  6. Step 6: Final answer
    x = 12,520.22

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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.