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Finding the Fourth Proportional to 50,994.68, 70,398.26 and 31,885.08

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Solution

The fourth proportional to 50,994.68, 70,398.26 and 31,885.08 is: 44,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,994.68 : 70,398.26 = 31,885.08 : x
  2. Step 2: Convert to fraction form
    50,994.68/70,398.26 = 31,885.08/x
  3. Step 3: Cross multiply
    50,994.68x = 70,398.26 × 31,885.08
  4. Step 4: Simplify right side
    50,994.68x = 2,244,654,151.96
  5. Step 5: Solve for x
    x = 2,244,654,151.96/50,994.68
  6. Step 6: Final answer
    x = 44,017.42

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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.