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Finding the Fourth Proportional to 18,043.41, 27,069.81 and 7,510.11

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Solution

The fourth proportional to 18,043.41, 27,069.81 and 7,510.11 is: 11,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.41 : 27,069.81 = 7,510.11 : x
  2. Step 2: Convert to fraction form
    18,043.41/27,069.81 = 7,510.11/x
  3. Step 3: Cross multiply
    18,043.41x = 27,069.81 × 7,510.11
  4. Step 4: Simplify right side
    18,043.41x = 203,297,250.78
  5. Step 5: Solve for x
    x = 203,297,250.78/18,043.41
  6. Step 6: Final answer
    x = 11,267.12

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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.