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Finding the Fourth Proportional to 57,331.36, 79,108.71 and 32,176

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Solution

The fourth proportional to 57,331.36, 79,108.71 and 32,176 is: 44,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,331.36 : 79,108.71 = 32,176 : x
  2. Step 2: Convert to fraction form
    57,331.36/79,108.71 = 32,176/x
  3. Step 3: Cross multiply
    57,331.36x = 79,108.71 × 32,176
  4. Step 4: Simplify right side
    57,331.36x = 2,545,401,852.96
  5. Step 5: Solve for x
    x = 2,545,401,852.96/57,331.36
  6. Step 6: Final answer
    x = 44,398.07

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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.