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Finding the Fourth Proportional to 16,138.44, 22,272.84 and 9,064.44

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Solution

The fourth proportional to 16,138.44, 22,272.84 and 9,064.44 is: 12,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.44 : 22,272.84 = 9,064.44 : x
  2. Step 2: Convert to fraction form
    16,138.44/22,272.84 = 9,064.44/x
  3. Step 3: Cross multiply
    16,138.44x = 22,272.84 × 9,064.44
  4. Step 4: Simplify right side
    16,138.44x = 201,890,821.81
  5. Step 5: Solve for x
    x = 201,890,821.81/16,138.44
  6. Step 6: Final answer
    x = 12,509.93

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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.