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Finding the Fourth Proportional to 58,335.43, 80,481.84 and 38,203.79

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Solution

The fourth proportional to 58,335.43, 80,481.84 and 38,203.79 is: 52,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,335.43 : 80,481.84 = 38,203.79 : x
  2. Step 2: Convert to fraction form
    58,335.43/80,481.84 = 38,203.79/x
  3. Step 3: Cross multiply
    58,335.43x = 80,481.84 × 38,203.79
  4. Step 4: Simplify right side
    58,335.43x = 3,074,711,314.17
  5. Step 5: Solve for x
    x = 3,074,711,314.17/58,335.43
  6. Step 6: Final answer
    x = 52,707.44

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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.