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Finding the Fourth Proportional to 18,024.63, 27,011.03 and 10,216.95

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Solution

The fourth proportional to 18,024.63, 27,011.03 and 10,216.95 is: 15,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.63 : 27,011.03 = 10,216.95 : x
  2. Step 2: Convert to fraction form
    18,024.63/27,011.03 = 10,216.95/x
  3. Step 3: Cross multiply
    18,024.63x = 27,011.03 × 10,216.95
  4. Step 4: Simplify right side
    18,024.63x = 275,970,291.87
  5. Step 5: Solve for x
    x = 275,970,291.87/18,024.63
  6. Step 6: Final answer
    x = 15,310.73

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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.