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Finding the Fourth Proportional to 57,635.92, 79,537.91 and 32,143.90

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Solution

The fourth proportional to 57,635.92, 79,537.91 and 32,143.90 is: 44,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635.92 : 79,537.91 = 32,143.90 : x
  2. Step 2: Convert to fraction form
    57,635.92/79,537.91 = 32,143.90/x
  3. Step 3: Cross multiply
    57,635.92x = 79,537.91 × 32,143.90
  4. Step 4: Simplify right side
    57,635.92x = 2,556,658,625.25
  5. Step 5: Solve for x
    x = 2,556,658,625.25/57,635.92
  6. Step 6: Final answer
    x = 44,358.77

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1.5x scale

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.