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Finding the Fourth Proportional to 18,374.20, 27,542.10 and 10,041.40

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Solution

The fourth proportional to 18,374.20, 27,542.10 and 10,041.40 is: 15,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.20 : 27,542.10 = 10,041.40 : x
  2. Step 2: Convert to fraction form
    18,374.20/27,542.10 = 10,041.40/x
  3. Step 3: Cross multiply
    18,374.20x = 27,542.10 × 10,041.40
  4. Step 4: Simplify right side
    18,374.20x = 276,561,242.94
  5. Step 5: Solve for x
    x = 276,561,242.94/18,374.20
  6. Step 6: Final answer
    x = 15,051.61

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1.5x scale

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.