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Finding the Fourth Proportional to 39,588, 54,634.54 and 22,588.32

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Solution

The fourth proportional to 39,588, 54,634.54 and 22,588.32 is: 31,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588 : 54,634.54 = 22,588.32 : x
  2. Step 2: Convert to fraction form
    39,588/54,634.54 = 22,588.32/x
  3. Step 3: Cross multiply
    39,588x = 54,634.54 × 22,588.32
  4. Step 4: Simplify right side
    39,588x = 1,234,102,472.57
  5. Step 5: Solve for x
    x = 1,234,102,472.57/39,588
  6. Step 6: Final answer
    x = 31,173.65

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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.