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Finding the Fourth Proportional to 58,687.88, 80,976.80 and 34,822.31

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Solution

The fourth proportional to 58,687.88, 80,976.80 and 34,822.31 is: 48,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,687.88 : 80,976.80 = 34,822.31 : x
  2. Step 2: Convert to fraction form
    58,687.88/80,976.80 = 34,822.31/x
  3. Step 3: Cross multiply
    58,687.88x = 80,976.80 × 34,822.31
  4. Step 4: Simplify right side
    58,687.88x = 2,819,798,653.41
  5. Step 5: Solve for x
    x = 2,819,798,653.41/58,687.88
  6. Step 6: Final answer
    x = 48,047.38

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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.