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Finding the Fourth Proportional to 57,415.68, 79,224.48 and 34,750.80

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Solution

The fourth proportional to 57,415.68, 79,224.48 and 34,750.80 is: 47,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.68 : 79,224.48 = 34,750.80 : x
  2. Step 2: Convert to fraction form
    57,415.68/79,224.48 = 34,750.80/x
  3. Step 3: Cross multiply
    57,415.68x = 79,224.48 × 34,750.80
  4. Step 4: Simplify right side
    57,415.68x = 2,753,114,059.58
  5. Step 5: Solve for x
    x = 2,753,114,059.58/57,415.68
  6. Step 6: Final answer
    x = 47,950.56

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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.