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Finding the Fourth Proportional to 58,680, 80,976.97 and 33,527.88

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Solution

The fourth proportional to 58,680, 80,976.97 and 33,527.88 is: 46,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,680 : 80,976.97 = 33,527.88 : x
  2. Step 2: Convert to fraction form
    58,680/80,976.97 = 33,527.88/x
  3. Step 3: Cross multiply
    58,680x = 80,976.97 × 33,527.88
  4. Step 4: Simplify right side
    58,680x = 2,714,986,132.92
  5. Step 5: Solve for x
    x = 2,714,986,132.92/58,680
  6. Step 6: Final answer
    x = 46,267.66

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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.