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Finding the Fourth Proportional to 57,717.96, 79,652.50 and 35,349.32

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Solution

The fourth proportional to 57,717.96, 79,652.50 and 35,349.32 is: 48,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.96 : 79,652.50 = 35,349.32 : x
  2. Step 2: Convert to fraction form
    57,717.96/79,652.50 = 35,349.32/x
  3. Step 3: Cross multiply
    57,717.96x = 79,652.50 × 35,349.32
  4. Step 4: Simplify right side
    57,717.96x = 2,815,661,711.30
  5. Step 5: Solve for x
    x = 2,815,661,711.30/57,717.96
  6. Step 6: Final answer
    x = 48,783.11

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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.