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Finding the Fourth Proportional to 39,814.70, 59,701.90 and 17,634.87

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Solution

The fourth proportional to 39,814.70, 59,701.90 and 17,634.87 is: 26,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.70 : 59,701.90 = 17,634.87 : x
  2. Step 2: Convert to fraction form
    39,814.70/59,701.90 = 17,634.87/x
  3. Step 3: Cross multiply
    39,814.70x = 59,701.90 × 17,634.87
  4. Step 4: Simplify right side
    39,814.70x = 1,052,835,245.25
  5. Step 5: Solve for x
    x = 1,052,835,245.25/39,814.70
  6. Step 6: Final answer
    x = 26,443.38

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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.