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Finding the Fourth Proportional to 36,652.74, 54,980.14 and 12,956.94

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Solution

The fourth proportional to 36,652.74, 54,980.14 and 12,956.94 is: 19,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,652.74 : 54,980.14 = 12,956.94 : x
  2. Step 2: Convert to fraction form
    36,652.74/54,980.14 = 12,956.94/x
  3. Step 3: Cross multiply
    36,652.74x = 54,980.14 × 12,956.94
  4. Step 4: Simplify right side
    36,652.74x = 712,374,375.17
  5. Step 5: Solve for x
    x = 712,374,375.17/36,652.74
  6. Step 6: Final answer
    x = 19,435.77

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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.