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Finding the Fourth Proportional to 57,638.92, 79,556.76 and 37,550.92

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Solution

The fourth proportional to 57,638.92, 79,556.76 and 37,550.92 is: 51,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.92 : 79,556.76 = 37,550.92 : x
  2. Step 2: Convert to fraction form
    57,638.92/79,556.76 = 37,550.92/x
  3. Step 3: Cross multiply
    57,638.92x = 79,556.76 × 37,550.92
  4. Step 4: Simplify right side
    57,638.92x = 2,987,429,530.22
  5. Step 5: Solve for x
    x = 2,987,429,530.22/57,638.92
  6. Step 6: Final answer
    x = 51,830.07

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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.