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Finding the Fourth Proportional to 18,035.30, 27,053.76 and 6,938.04

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Solution

The fourth proportional to 18,035.30, 27,053.76 and 6,938.04 is: 10,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.30 : 27,053.76 = 6,938.04 : x
  2. Step 2: Convert to fraction form
    18,035.30/27,053.76 = 6,938.04/x
  3. Step 3: Cross multiply
    18,035.30x = 27,053.76 × 6,938.04
  4. Step 4: Simplify right side
    18,035.30x = 187,700,069.03
  5. Step 5: Solve for x
    x = 187,700,069.03/18,035.30
  6. Step 6: Final answer
    x = 10,407.37

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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.