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Finding the Fourth Proportional to 18,064.76, 27,099.95 and 10,674.54

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Solution

The fourth proportional to 18,064.76, 27,099.95 and 10,674.54 is: 16,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.76 : 27,099.95 = 10,674.54 : x
  2. Step 2: Convert to fraction form
    18,064.76/27,099.95 = 10,674.54/x
  3. Step 3: Cross multiply
    18,064.76x = 27,099.95 × 10,674.54
  4. Step 4: Simplify right side
    18,064.76x = 289,279,446.90
  5. Step 5: Solve for x
    x = 289,279,446.90/18,064.76
  6. Step 6: Final answer
    x = 16,013.47

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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.