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Finding the Fourth Proportional to 5,703.45, 8,556.45 and 2,005.80

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Solution

The fourth proportional to 5,703.45, 8,556.45 and 2,005.80 is: 3,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.45 : 8,556.45 = 2,005.80 : x
  2. Step 2: Convert to fraction form
    5,703.45/8,556.45 = 2,005.80/x
  3. Step 3: Cross multiply
    5,703.45x = 8,556.45 × 2,005.80
  4. Step 4: Simplify right side
    5,703.45x = 17,162,527.41
  5. Step 5: Solve for x
    x = 17,162,527.41/5,703.45
  6. Step 6: Final answer
    x = 3,009.15

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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.