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Finding the Fourth Proportional to 16,638.32, 22,960.88 and 9,566.12

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Solution

The fourth proportional to 16,638.32, 22,960.88 and 9,566.12 is: 13,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.32 : 22,960.88 = 9,566.12 : x
  2. Step 2: Convert to fraction form
    16,638.32/22,960.88 = 9,566.12/x
  3. Step 3: Cross multiply
    16,638.32x = 22,960.88 × 9,566.12
  4. Step 4: Simplify right side
    16,638.32x = 219,646,533.39
  5. Step 5: Solve for x
    x = 219,646,533.39/16,638.32
  6. Step 6: Final answer
    x = 13,201.24

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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.