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Finding the Fourth Proportional to 18,373.10, 27,523.20 and 10,040.90

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Solution

The fourth proportional to 18,373.10, 27,523.20 and 10,040.90 is: 15,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.10 : 27,523.20 = 10,040.90 : x
  2. Step 2: Convert to fraction form
    18,373.10/27,523.20 = 10,040.90/x
  3. Step 3: Cross multiply
    18,373.10x = 27,523.20 × 10,040.90
  4. Step 4: Simplify right side
    18,373.10x = 276,357,698.88
  5. Step 5: Solve for x
    x = 276,357,698.88/18,373.10
  6. Step 6: Final answer
    x = 15,041.43

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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.