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Finding the Fourth Proportional to 8,326.54, 12,490.53 and 3,396.52

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Solution

The fourth proportional to 8,326.54, 12,490.53 and 3,396.52 is: 5,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.54 : 12,490.53 = 3,396.52 : x
  2. Step 2: Convert to fraction form
    8,326.54/12,490.53 = 3,396.52/x
  3. Step 3: Cross multiply
    8,326.54x = 12,490.53 × 3,396.52
  4. Step 4: Simplify right side
    8,326.54x = 42,424,334.96
  5. Step 5: Solve for x
    x = 42,424,334.96/8,326.54
  6. Step 6: Final answer
    x = 5,095.07

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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.