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Finding the Fourth Proportional to 18,101.16, 27,097.85 and 16,200.50

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Solution

The fourth proportional to 18,101.16, 27,097.85 and 16,200.50 is: 24,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.16 : 27,097.85 = 16,200.50 : x
  2. Step 2: Convert to fraction form
    18,101.16/27,097.85 = 16,200.50/x
  3. Step 3: Cross multiply
    18,101.16x = 27,097.85 × 16,200.50
  4. Step 4: Simplify right side
    18,101.16x = 438,998,623.94
  5. Step 5: Solve for x
    x = 438,998,623.94/18,101.16
  6. Step 6: Final answer
    x = 24,252.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.