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Finding the Fourth Proportional to 18,574.32, 27,860.51 and 6,092.70

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Solution

The fourth proportional to 18,574.32, 27,860.51 and 6,092.70 is: 9,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.32 : 27,860.51 = 6,092.70 : x
  2. Step 2: Convert to fraction form
    18,574.32/27,860.51 = 6,092.70/x
  3. Step 3: Cross multiply
    18,574.32x = 27,860.51 × 6,092.70
  4. Step 4: Simplify right side
    18,574.32x = 169,745,803.29
  5. Step 5: Solve for x
    x = 169,745,803.29/18,574.32
  6. Step 6: Final answer
    x = 9,138.73

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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.