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Finding the Fourth Proportional to 18,606, 27,901.71 and 7,510.62

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Solution

The fourth proportional to 18,606, 27,901.71 and 7,510.62 is: 11,262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606 : 27,901.71 = 7,510.62 : x
  2. Step 2: Convert to fraction form
    18,606/27,901.71 = 7,510.62/x
  3. Step 3: Cross multiply
    18,606x = 27,901.71 × 7,510.62
  4. Step 4: Simplify right side
    18,606x = 209,559,141.16
  5. Step 5: Solve for x
    x = 209,559,141.16/18,606
  6. Step 6: Final answer
    x = 11,262.99

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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.