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Finding the Fourth Proportional to 5,775.93, 8,647.20 and 5,174.91

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Solution

The fourth proportional to 5,775.93, 8,647.20 and 5,174.91 is: 7,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.93 : 8,647.20 = 5,174.91 : x
  2. Step 2: Convert to fraction form
    5,775.93/8,647.20 = 5,174.91/x
  3. Step 3: Cross multiply
    5,775.93x = 8,647.20 × 5,174.91
  4. Step 4: Simplify right side
    5,775.93x = 44,748,481.75
  5. Step 5: Solve for x
    x = 44,748,481.75/5,775.93
  6. Step 6: Final answer
    x = 7,747.41

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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.