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Finding the Fourth Proportional to 12,218.58, 16,843.95 and 9,027.18

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Solution

The fourth proportional to 12,218.58, 16,843.95 and 9,027.18 is: 12,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.58 : 16,843.95 = 9,027.18 : x
  2. Step 2: Convert to fraction form
    12,218.58/16,843.95 = 9,027.18/x
  3. Step 3: Cross multiply
    12,218.58x = 16,843.95 × 9,027.18
  4. Step 4: Simplify right side
    12,218.58x = 152,053,368.56
  5. Step 5: Solve for x
    x = 152,053,368.56/12,218.58
  6. Step 6: Final answer
    x = 12,444.44

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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.