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Finding the Fourth Proportional to 5,658.48, 8,474.85 and 3,021.30

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Solution

The fourth proportional to 5,658.48, 8,474.85 and 3,021.30 is: 4,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.48 : 8,474.85 = 3,021.30 : x
  2. Step 2: Convert to fraction form
    5,658.48/8,474.85 = 3,021.30/x
  3. Step 3: Cross multiply
    5,658.48x = 8,474.85 × 3,021.30
  4. Step 4: Simplify right side
    5,658.48x = 25,605,064.31
  5. Step 5: Solve for x
    x = 25,605,064.31/5,658.48
  6. Step 6: Final answer
    x = 4,525.08

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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.