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Finding the Fourth Proportional to 37,635.70, 56,414.07 and 12,667.12

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Solution

The fourth proportional to 37,635.70, 56,414.07 and 12,667.12 is: 18,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.70 : 56,414.07 = 12,667.12 : x
  2. Step 2: Convert to fraction form
    37,635.70/56,414.07 = 12,667.12/x
  3. Step 3: Cross multiply
    37,635.70x = 56,414.07 × 12,667.12
  4. Step 4: Simplify right side
    37,635.70x = 714,603,794.38
  5. Step 5: Solve for x
    x = 714,603,794.38/37,635.70
  6. Step 6: Final answer
    x = 18,987.39

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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.