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Finding the Fourth Proportional to 4,379.52, 6,562.62 and 2,913.42

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Solution

The fourth proportional to 4,379.52, 6,562.62 and 2,913.42 is: 4,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.52 : 6,562.62 = 2,913.42 : x
  2. Step 2: Convert to fraction form
    4,379.52/6,562.62 = 2,913.42/x
  3. Step 3: Cross multiply
    4,379.52x = 6,562.62 × 2,913.42
  4. Step 4: Simplify right side
    4,379.52x = 19,119,668.36
  5. Step 5: Solve for x
    x = 19,119,668.36/4,379.52
  6. Step 6: Final answer
    x = 4,365.70

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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.