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Finding the Fourth Proportional to 30,058.92, 41,481.95 and 16,631.11

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Solution

The fourth proportional to 30,058.92, 41,481.95 and 16,631.11 is: 22,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.92 : 41,481.95 = 16,631.11 : x
  2. Step 2: Convert to fraction form
    30,058.92/41,481.95 = 16,631.11/x
  3. Step 3: Cross multiply
    30,058.92x = 41,481.95 × 16,631.11
  4. Step 4: Simplify right side
    30,058.92x = 689,890,873.46
  5. Step 5: Solve for x
    x = 689,890,873.46/30,058.92
  6. Step 6: Final answer
    x = 22,951.29

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1.5x scale

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.