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Finding the Fourth Proportional to 18,568.71, 27,846.57 and 7,472.52

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Solution

The fourth proportional to 18,568.71, 27,846.57 and 7,472.52 is: 11,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.71 : 27,846.57 = 7,472.52 : x
  2. Step 2: Convert to fraction form
    18,568.71/27,846.57 = 7,472.52/x
  3. Step 3: Cross multiply
    18,568.71x = 27,846.57 × 7,472.52
  4. Step 4: Simplify right side
    18,568.71x = 208,084,051.26
  5. Step 5: Solve for x
    x = 208,084,051.26/18,568.71
  6. Step 6: Final answer
    x = 11,206.17

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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.