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Finding the Fourth Proportional to 8,326.49, 12,490.57 and 2,703.92

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Solution

The fourth proportional to 8,326.49, 12,490.57 and 2,703.92 is: 4,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.49 : 12,490.57 = 2,703.92 : x
  2. Step 2: Convert to fraction form
    8,326.49/12,490.57 = 2,703.92/x
  3. Step 3: Cross multiply
    8,326.49x = 12,490.57 × 2,703.92
  4. Step 4: Simplify right side
    8,326.49x = 33,773,495.27
  5. Step 5: Solve for x
    x = 33,773,495.27/8,326.49
  6. Step 6: Final answer
    x = 4,056.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.