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Finding the Fourth Proportional to 39,469.12, 59,184.12 and 14,508.16

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Solution

The fourth proportional to 39,469.12, 59,184.12 and 14,508.16 is: 21,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.12 : 59,184.12 = 14,508.16 : x
  2. Step 2: Convert to fraction form
    39,469.12/59,184.12 = 14,508.16/x
  3. Step 3: Cross multiply
    39,469.12x = 59,184.12 × 14,508.16
  4. Step 4: Simplify right side
    39,469.12x = 858,652,682.42
  5. Step 5: Solve for x
    x = 858,652,682.42/39,469.12
  6. Step 6: Final answer
    x = 21,755.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.