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Finding the Fourth Proportional to 56,994.96, 78,654.60 and 31,846.08

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Solution

The fourth proportional to 56,994.96, 78,654.60 and 31,846.08 is: 43,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,994.96 : 78,654.60 = 31,846.08 : x
  2. Step 2: Convert to fraction form
    56,994.96/78,654.60 = 31,846.08/x
  3. Step 3: Cross multiply
    56,994.96x = 78,654.60 × 31,846.08
  4. Step 4: Simplify right side
    56,994.96x = 2,504,840,683.97
  5. Step 5: Solve for x
    x = 2,504,840,683.97/56,994.96
  6. Step 6: Final answer
    x = 43,948.46

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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.