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Finding the Fourth Proportional to 57,638.53, 79,556.34 and 37,550.53

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Solution

The fourth proportional to 57,638.53, 79,556.34 and 37,550.53 is: 51,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.53 : 79,556.34 = 37,550.53 : x
  2. Step 2: Convert to fraction form
    57,638.53/79,556.34 = 37,550.53/x
  3. Step 3: Cross multiply
    57,638.53x = 79,556.34 × 37,550.53
  4. Step 4: Simplify right side
    57,638.53x = 2,987,382,731.86
  5. Step 5: Solve for x
    x = 2,987,382,731.86/57,638.53
  6. Step 6: Final answer
    x = 51,829.61

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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.