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Finding the Fourth Proportional to 57,994.13, 86,991.19 and 14,218.13

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Solution

The fourth proportional to 57,994.13, 86,991.19 and 14,218.13 is: 21,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,994.13 : 86,991.19 = 14,218.13 : x
  2. Step 2: Convert to fraction form
    57,994.13/86,991.19 = 14,218.13/x
  3. Step 3: Cross multiply
    57,994.13x = 86,991.19 × 14,218.13
  4. Step 4: Simplify right side
    57,994.13x = 1,236,851,577.77
  5. Step 5: Solve for x
    x = 1,236,851,577.77/57,994.13
  6. Step 6: Final answer
    x = 21,327.19

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Similar ratio
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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.