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Finding the Fourth Proportional to 18,100.90, 27,097.48 and 16,200.24

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Solution

The fourth proportional to 18,100.90, 27,097.48 and 16,200.24 is: 24,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.90 : 27,097.48 = 16,200.24 : x
  2. Step 2: Convert to fraction form
    18,100.90/27,097.48 = 16,200.24/x
  3. Step 3: Cross multiply
    18,100.90x = 27,097.48 × 16,200.24
  4. Step 4: Simplify right side
    18,100.90x = 438,985,679.40
  5. Step 5: Solve for x
    x = 438,985,679.40/18,100.90
  6. Step 6: Final answer
    x = 24,252.15

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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.