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Finding the Fourth Proportional to 5,658.86, 8,479.07 and 3,462.98

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Solution

The fourth proportional to 5,658.86, 8,479.07 and 3,462.98 is: 5,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.86 : 8,479.07 = 3,462.98 : x
  2. Step 2: Convert to fraction form
    5,658.86/8,479.07 = 3,462.98/x
  3. Step 3: Cross multiply
    5,658.86x = 8,479.07 × 3,462.98
  4. Step 4: Simplify right side
    5,658.86x = 29,362,822.08
  5. Step 5: Solve for x
    x = 29,362,822.08/5,658.86
  6. Step 6: Final answer
    x = 5,188.82

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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.