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Finding the Fourth Proportional to 8,544.97, 12,811.40 and 3,798.53

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Solution

The fourth proportional to 8,544.97, 12,811.40 and 3,798.53 is: 5,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.97 : 12,811.40 = 3,798.53 : x
  2. Step 2: Convert to fraction form
    8,544.97/12,811.40 = 3,798.53/x
  3. Step 3: Cross multiply
    8,544.97x = 12,811.40 × 3,798.53
  4. Step 4: Simplify right side
    8,544.97x = 48,664,487.24
  5. Step 5: Solve for x
    x = 48,664,487.24/8,544.97
  6. Step 6: Final answer
    x = 5,695.10

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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.