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Finding the Fourth Proportional to 6,363.72, 9,529.14 and 4,395.42

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Solution

The fourth proportional to 6,363.72, 9,529.14 and 4,395.42 is: 6,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.72 : 9,529.14 = 4,395.42 : x
  2. Step 2: Convert to fraction form
    6,363.72/9,529.14 = 4,395.42/x
  3. Step 3: Cross multiply
    6,363.72x = 9,529.14 × 4,395.42
  4. Step 4: Simplify right side
    6,363.72x = 41,884,572.54
  5. Step 5: Solve for x
    x = 41,884,572.54/6,363.72
  6. Step 6: Final answer
    x = 6,581.77

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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.