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Finding the Fourth Proportional to 57,471.66, 79,310.12 and 32,321.16

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Solution

The fourth proportional to 57,471.66, 79,310.12 and 32,321.16 is: 44,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.66 : 79,310.12 = 32,321.16 : x
  2. Step 2: Convert to fraction form
    57,471.66/79,310.12 = 32,321.16/x
  3. Step 3: Cross multiply
    57,471.66x = 79,310.12 × 32,321.16
  4. Step 4: Simplify right side
    57,471.66x = 2,563,395,078.14
  5. Step 5: Solve for x
    x = 2,563,395,078.14/57,471.66
  6. Step 6: Final answer
    x = 44,602.77

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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.