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Finding the Fourth Proportional to 57,416.68, 79,225.86 and 34,751.80

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Solution

The fourth proportional to 57,416.68, 79,225.86 and 34,751.80 is: 47,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,416.68 : 79,225.86 = 34,751.80 : x
  2. Step 2: Convert to fraction form
    57,416.68/79,225.86 = 34,751.80/x
  3. Step 3: Cross multiply
    57,416.68x = 79,225.86 × 34,751.80
  4. Step 4: Simplify right side
    57,416.68x = 2,753,241,241.55
  5. Step 5: Solve for x
    x = 2,753,241,241.55/57,416.68
  6. Step 6: Final answer
    x = 47,951.94

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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.