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Finding the Fourth Proportional to 57,959.72, 79,985.41 and 32,465.85

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Solution

The fourth proportional to 57,959.72, 79,985.41 and 32,465.85 is: 44,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959.72 : 79,985.41 = 32,465.85 : x
  2. Step 2: Convert to fraction form
    57,959.72/79,985.41 = 32,465.85/x
  3. Step 3: Cross multiply
    57,959.72x = 79,985.41 × 32,465.85
  4. Step 4: Simplify right side
    57,959.72x = 2,596,794,323.25
  5. Step 5: Solve for x
    x = 2,596,794,323.25/57,959.72
  6. Step 6: Final answer
    x = 44,803.43

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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.