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Finding the Fourth Proportional to 37,474.40, 56,195.40 and 18,747.20

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Solution

The fourth proportional to 37,474.40, 56,195.40 and 18,747.20 is: 28,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.40 : 56,195.40 = 18,747.20 : x
  2. Step 2: Convert to fraction form
    37,474.40/56,195.40 = 18,747.20/x
  3. Step 3: Cross multiply
    37,474.40x = 56,195.40 × 18,747.20
  4. Step 4: Simplify right side
    37,474.40x = 1,053,506,402.88
  5. Step 5: Solve for x
    x = 1,053,506,402.88/37,474.40
  6. Step 6: Final answer
    x = 28,112.70

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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.