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Finding the Fourth Proportional to 57,671.36, 79,541.70 and 36,442.88

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Solution

The fourth proportional to 57,671.36, 79,541.70 and 36,442.88 is: 50,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.36 : 79,541.70 = 36,442.88 : x
  2. Step 2: Convert to fraction form
    57,671.36/79,541.70 = 36,442.88/x
  3. Step 3: Cross multiply
    57,671.36x = 79,541.70 × 36,442.88
  4. Step 4: Simplify right side
    57,671.36x = 2,898,728,628.10
  5. Step 5: Solve for x
    x = 2,898,728,628.10/57,671.36
  6. Step 6: Final answer
    x = 50,262.88

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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.