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Finding the Fourth Proportional to 8,792.21, 12,103.48 and 6,799

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Solution

The fourth proportional to 8,792.21, 12,103.48 and 6,799 is: 9,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.21 : 12,103.48 = 6,799 : x
  2. Step 2: Convert to fraction form
    8,792.21/12,103.48 = 6,799/x
  3. Step 3: Cross multiply
    8,792.21x = 12,103.48 × 6,799
  4. Step 4: Simplify right side
    8,792.21x = 82,291,560.52
  5. Step 5: Solve for x
    x = 82,291,560.52/8,792.21
  6. Step 6: Final answer
    x = 9,359.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.