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Finding the Fourth Proportional to 8,325.94, 12,490.80 and 2,482.06

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Solution

The fourth proportional to 8,325.94, 12,490.80 and 2,482.06 is: 3,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.94 : 12,490.80 = 2,482.06 : x
  2. Step 2: Convert to fraction form
    8,325.94/12,490.80 = 2,482.06/x
  3. Step 3: Cross multiply
    8,325.94x = 12,490.80 × 2,482.06
  4. Step 4: Simplify right side
    8,325.94x = 31,002,915.05
  5. Step 5: Solve for x
    x = 31,002,915.05/8,325.94
  6. Step 6: Final answer
    x = 3,723.65

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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.