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Finding the Fourth Proportional to 5,703.88, 8,550.78 and 5,359.72

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Solution

The fourth proportional to 5,703.88, 8,550.78 and 5,359.72 is: 8,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.88 : 8,550.78 = 5,359.72 : x
  2. Step 2: Convert to fraction form
    5,703.88/8,550.78 = 5,359.72/x
  3. Step 3: Cross multiply
    5,703.88x = 8,550.78 × 5,359.72
  4. Step 4: Simplify right side
    5,703.88x = 45,829,786.58
  5. Step 5: Solve for x
    x = 45,829,786.58/5,703.88
  6. Step 6: Final answer
    x = 8,034.84

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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.