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Finding the Fourth Proportional to 53,340.54, 73,608.90 and 29,467

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Solution

The fourth proportional to 53,340.54, 73,608.90 and 29,467 is: 40,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.54 : 73,608.90 = 29,467 : x
  2. Step 2: Convert to fraction form
    53,340.54/73,608.90 = 29,467/x
  3. Step 3: Cross multiply
    53,340.54x = 73,608.90 × 29,467
  4. Step 4: Simplify right side
    53,340.54x = 2,169,033,456.30
  5. Step 5: Solve for x
    x = 2,169,033,456.30/53,340.54
  6. Step 6: Final answer
    x = 40,663.88

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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.