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Finding the Fourth Proportional to 18,033.39, 27,059.81 and 7,510.68

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Solution

The fourth proportional to 18,033.39, 27,059.81 and 7,510.68 is: 11,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.39 : 27,059.81 = 7,510.68 : x
  2. Step 2: Convert to fraction form
    18,033.39/27,059.81 = 7,510.68/x
  3. Step 3: Cross multiply
    18,033.39x = 27,059.81 × 7,510.68
  4. Step 4: Simplify right side
    18,033.39x = 203,237,536.22
  5. Step 5: Solve for x
    x = 203,237,536.22/18,033.39
  6. Step 6: Final answer
    x = 11,270.07

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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.