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Finding the Fourth Proportional to 57,410.64, 79,228.44 and 34,753.77

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Solution

The fourth proportional to 57,410.64, 79,228.44 and 34,753.77 is: 47,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,410.64 : 79,228.44 = 34,753.77 : x
  2. Step 2: Convert to fraction form
    57,410.64/79,228.44 = 34,753.77/x
  3. Step 3: Cross multiply
    57,410.64x = 79,228.44 × 34,753.77
  4. Step 4: Simplify right side
    57,410.64x = 2,753,486,981.22
  5. Step 5: Solve for x
    x = 2,753,486,981.22/57,410.64
  6. Step 6: Final answer
    x = 47,961.27

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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.