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Finding the Fourth Proportional to 11,574.59, 17,361.89 and 3,255.45

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Solution

The fourth proportional to 11,574.59, 17,361.89 and 3,255.45 is: 4,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.59 : 17,361.89 = 3,255.45 : x
  2. Step 2: Convert to fraction form
    11,574.59/17,361.89 = 3,255.45/x
  3. Step 3: Cross multiply
    11,574.59x = 17,361.89 × 3,255.45
  4. Step 4: Simplify right side
    11,574.59x = 56,520,748.52
  5. Step 5: Solve for x
    x = 56,520,748.52/11,574.59
  6. Step 6: Final answer
    x = 4,883.18

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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.