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Finding the Fourth Proportional to 16,274.64, 22,458.98 and 8,822.64

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Solution

The fourth proportional to 16,274.64, 22,458.98 and 8,822.64 is: 12,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,274.64 : 22,458.98 = 8,822.64 : x
  2. Step 2: Convert to fraction form
    16,274.64/22,458.98 = 8,822.64/x
  3. Step 3: Cross multiply
    16,274.64x = 22,458.98 × 8,822.64
  4. Step 4: Simplify right side
    16,274.64x = 198,147,495.31
  5. Step 5: Solve for x
    x = 198,147,495.31/16,274.64
  6. Step 6: Final answer
    x = 12,175.23

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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.