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Finding the Fourth Proportional to 39,674.96, 59,520.60 and 13,022.96

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Solution

The fourth proportional to 39,674.96, 59,520.60 and 13,022.96 is: 19,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.96 : 59,520.60 = 13,022.96 : x
  2. Step 2: Convert to fraction form
    39,674.96/59,520.60 = 13,022.96/x
  3. Step 3: Cross multiply
    39,674.96x = 59,520.60 × 13,022.96
  4. Step 4: Simplify right side
    39,674.96x = 775,134,392.98
  5. Step 5: Solve for x
    x = 775,134,392.98/39,674.96
  6. Step 6: Final answer
    x = 19,537.12

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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.