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Finding the Fourth Proportional to 57,662.88, 79,556.24 and 45,525.03

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Solution

The fourth proportional to 57,662.88, 79,556.24 and 45,525.03 is: 62,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,662.88 : 79,556.24 = 45,525.03 : x
  2. Step 2: Convert to fraction form
    57,662.88/79,556.24 = 45,525.03/x
  3. Step 3: Cross multiply
    57,662.88x = 79,556.24 × 45,525.03
  4. Step 4: Simplify right side
    57,662.88x = 3,621,800,212.69
  5. Step 5: Solve for x
    x = 3,621,800,212.69/57,662.88
  6. Step 6: Final answer
    x = 62,809.91

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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.