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Finding the Fourth Proportional to 8,333.46, 12,498 and 2,488.68

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Solution

The fourth proportional to 8,333.46, 12,498 and 2,488.68 is: 3,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.46 : 12,498 = 2,488.68 : x
  2. Step 2: Convert to fraction form
    8,333.46/12,498 = 2,488.68/x
  3. Step 3: Cross multiply
    8,333.46x = 12,498 × 2,488.68
  4. Step 4: Simplify right side
    8,333.46x = 31,103,522.64
  5. Step 5: Solve for x
    x = 31,103,522.64/8,333.46
  6. Step 6: Final answer
    x = 3,732.37

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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.