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Finding the Fourth Proportional to 39,370.50, 54,333.72 and 22,603.50

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Solution

The fourth proportional to 39,370.50, 54,333.72 and 22,603.50 is: 31,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.50 : 54,333.72 = 22,603.50 : x
  2. Step 2: Convert to fraction form
    39,370.50/54,333.72 = 22,603.50/x
  3. Step 3: Cross multiply
    39,370.50x = 54,333.72 × 22,603.50
  4. Step 4: Simplify right side
    39,370.50x = 1,228,132,240.02
  5. Step 5: Solve for x
    x = 1,228,132,240.02/39,370.50
  6. Step 6: Final answer
    x = 31,194.23

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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.