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Finding the Fourth Proportional to 12,244.60, 16,891.78 and 8,880.03

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Solution

The fourth proportional to 12,244.60, 16,891.78 and 8,880.03 is: 12,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.60 : 16,891.78 = 8,880.03 : x
  2. Step 2: Convert to fraction form
    12,244.60/16,891.78 = 8,880.03/x
  3. Step 3: Cross multiply
    12,244.60x = 16,891.78 × 8,880.03
  4. Step 4: Simplify right side
    12,244.60x = 149,999,513.15
  5. Step 5: Solve for x
    x = 149,999,513.15/12,244.60
  6. Step 6: Final answer
    x = 12,250.26

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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.