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Finding the Fourth Proportional to 18,404.70, 27,610.94 and 10,510.94

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Solution

The fourth proportional to 18,404.70, 27,610.94 and 10,510.94 is: 15,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.70 : 27,610.94 = 10,510.94 : x
  2. Step 2: Convert to fraction form
    18,404.70/27,610.94 = 10,510.94/x
  3. Step 3: Cross multiply
    18,404.70x = 27,610.94 × 10,510.94
  4. Step 4: Simplify right side
    18,404.70x = 290,216,933.68
  5. Step 5: Solve for x
    x = 290,216,933.68/18,404.70
  6. Step 6: Final answer
    x = 15,768.63

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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.