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Finding the Fourth Proportional to 8,330.82, 12,502.37 and 3,948.27

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Solution

The fourth proportional to 8,330.82, 12,502.37 and 3,948.27 is: 5,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.82 : 12,502.37 = 3,948.27 : x
  2. Step 2: Convert to fraction form
    8,330.82/12,502.37 = 3,948.27/x
  3. Step 3: Cross multiply
    8,330.82x = 12,502.37 × 3,948.27
  4. Step 4: Simplify right side
    8,330.82x = 49,362,712.66
  5. Step 5: Solve for x
    x = 49,362,712.66/8,330.82
  6. Step 6: Final answer
    x = 5,925.31

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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.