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Finding the Fourth Proportional to 5,703.72, 8,556.84 and 3,239.70

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Solution

The fourth proportional to 5,703.72, 8,556.84 and 3,239.70 is: 4,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.72 : 8,556.84 = 3,239.70 : x
  2. Step 2: Convert to fraction form
    5,703.72/8,556.84 = 3,239.70/x
  3. Step 3: Cross multiply
    5,703.72x = 8,556.84 × 3,239.70
  4. Step 4: Simplify right side
    5,703.72x = 27,721,594.55
  5. Step 5: Solve for x
    x = 27,721,594.55/5,703.72
  6. Step 6: Final answer
    x = 4,860.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.