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Finding the Fourth Proportional to 36,624, 54,903.42 and 13,245.24

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Solution

The fourth proportional to 36,624, 54,903.42 and 13,245.24 is: 19,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,624 : 54,903.42 = 13,245.24 : x
  2. Step 2: Convert to fraction form
    36,624/54,903.42 = 13,245.24/x
  3. Step 3: Cross multiply
    36,624x = 54,903.42 × 13,245.24
  4. Step 4: Simplify right side
    36,624x = 727,208,974.72
  5. Step 5: Solve for x
    x = 727,208,974.72/36,624
  6. Step 6: Final answer
    x = 19,856.08

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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.