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Finding the Fourth Proportional to 18,374.10, 27,524.70 and 10,041.90

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Solution

The fourth proportional to 18,374.10, 27,524.70 and 10,041.90 is: 15,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.10 : 27,524.70 = 10,041.90 : x
  2. Step 2: Convert to fraction form
    18,374.10/27,524.70 = 10,041.90/x
  3. Step 3: Cross multiply
    18,374.10x = 27,524.70 × 10,041.90
  4. Step 4: Simplify right side
    18,374.10x = 276,400,284.93
  5. Step 5: Solve for x
    x = 276,400,284.93/18,374.10
  6. Step 6: Final answer
    x = 15,042.93

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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.