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Finding the Fourth Proportional to 39,635.50, 54,699.42 and 22,868.50

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Solution

The fourth proportional to 39,635.50, 54,699.42 and 22,868.50 is: 31,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635.50 : 54,699.42 = 22,868.50 : x
  2. Step 2: Convert to fraction form
    39,635.50/54,699.42 = 22,868.50/x
  3. Step 3: Cross multiply
    39,635.50x = 54,699.42 × 22,868.50
  4. Step 4: Simplify right side
    39,635.50x = 1,250,893,686.27
  5. Step 5: Solve for x
    x = 1,250,893,686.27/39,635.50
  6. Step 6: Final answer
    x = 31,559.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.