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Finding the Fourth Proportional to 27,282.21, 40,923.14 and 7,018.94

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Solution

The fourth proportional to 27,282.21, 40,923.14 and 7,018.94 is: 10,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.21 : 40,923.14 = 7,018.94 : x
  2. Step 2: Convert to fraction form
    27,282.21/40,923.14 = 7,018.94/x
  3. Step 3: Cross multiply
    27,282.21x = 40,923.14 × 7,018.94
  4. Step 4: Simplify right side
    27,282.21x = 287,236,824.56
  5. Step 5: Solve for x
    x = 287,236,824.56/27,282.21
  6. Step 6: Final answer
    x = 10,528.36

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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.