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Finding the Fourth Proportional to 18,473.40, 27,684.56 and 16,002.09

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Solution

The fourth proportional to 18,473.40, 27,684.56 and 16,002.09 is: 23,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.40 : 27,684.56 = 16,002.09 : x
  2. Step 2: Convert to fraction form
    18,473.40/27,684.56 = 16,002.09/x
  3. Step 3: Cross multiply
    18,473.40x = 27,684.56 × 16,002.09
  4. Step 4: Simplify right side
    18,473.40x = 443,010,820.73
  5. Step 5: Solve for x
    x = 443,010,820.73/18,473.40
  6. Step 6: Final answer
    x = 23,981.01

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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.