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Finding the Fourth Proportional to 18,061.02, 27,092.10 and 4,913.70

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Solution

The fourth proportional to 18,061.02, 27,092.10 and 4,913.70 is: 7,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.02 : 27,092.10 = 4,913.70 : x
  2. Step 2: Convert to fraction form
    18,061.02/27,092.10 = 4,913.70/x
  3. Step 3: Cross multiply
    18,061.02x = 27,092.10 × 4,913.70
  4. Step 4: Simplify right side
    18,061.02x = 133,122,451.77
  5. Step 5: Solve for x
    x = 133,122,451.77/18,061.02
  6. Step 6: Final answer
    x = 7,370.71

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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.