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Finding the Fourth Proportional to 16,100.08, 22,216.08 and 9,387.88

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Solution

The fourth proportional to 16,100.08, 22,216.08 and 9,387.88 is: 12,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,100.08 : 22,216.08 = 9,387.88 : x
  2. Step 2: Convert to fraction form
    16,100.08/22,216.08 = 9,387.88/x
  3. Step 3: Cross multiply
    16,100.08x = 22,216.08 × 9,387.88
  4. Step 4: Simplify right side
    16,100.08x = 208,561,893.11
  5. Step 5: Solve for x
    x = 208,561,893.11/16,100.08
  6. Step 6: Final answer
    x = 12,954.09

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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.