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Finding the Fourth Proportional to 11,671.55, 17,504.65 and 3,351.50

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Solution

The fourth proportional to 11,671.55, 17,504.65 and 3,351.50 is: 5,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.55 : 17,504.65 = 3,351.50 : x
  2. Step 2: Convert to fraction form
    11,671.55/17,504.65 = 3,351.50/x
  3. Step 3: Cross multiply
    11,671.55x = 17,504.65 × 3,351.50
  4. Step 4: Simplify right side
    11,671.55x = 58,666,834.48
  5. Step 5: Solve for x
    x = 58,666,834.48/11,671.55
  6. Step 6: Final answer
    x = 5,026.48

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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.