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Finding the Fourth Proportional to 86,463.25, 129,714.92 and 33,873.19

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Solution

The fourth proportional to 86,463.25, 129,714.92 and 33,873.19 is: 50,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.25 : 129,714.92 = 33,873.19 : x
  2. Step 2: Convert to fraction form
    86,463.25/129,714.92 = 33,873.19/x
  3. Step 3: Cross multiply
    86,463.25x = 129,714.92 × 33,873.19
  4. Step 4: Simplify right side
    86,463.25x = 4,393,857,764.37
  5. Step 5: Solve for x
    x = 4,393,857,764.37/86,463.25
  6. Step 6: Final answer
    x = 50,817.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.