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Finding the Fourth Proportional to 16,361.22, 22,579.65 and 9,288.11

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Solution

The fourth proportional to 16,361.22, 22,579.65 and 9,288.11 is: 12,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,361.22 : 22,579.65 = 9,288.11 : x
  2. Step 2: Convert to fraction form
    16,361.22/22,579.65 = 9,288.11/x
  3. Step 3: Cross multiply
    16,361.22x = 22,579.65 × 9,288.11
  4. Step 4: Simplify right side
    16,361.22x = 209,722,272.96
  5. Step 5: Solve for x
    x = 209,722,272.96/16,361.22
  6. Step 6: Final answer
    x = 12,818.25

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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.