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Finding the Fourth Proportional to 60,467.92, 90,701.78 and 21,024.97

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Solution

The fourth proportional to 60,467.92, 90,701.78 and 21,024.97 is: 31,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467.92 : 90,701.78 = 21,024.97 : x
  2. Step 2: Convert to fraction form
    60,467.92/90,701.78 = 21,024.97/x
  3. Step 3: Cross multiply
    60,467.92x = 90,701.78 × 21,024.97
  4. Step 4: Simplify right side
    60,467.92x = 1,907,001,871.57
  5. Step 5: Solve for x
    x = 1,907,001,871.57/60,467.92
  6. Step 6: Final answer
    x = 31,537.42

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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.