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Finding the Fourth Proportional to 6,461.88, 9,694.50 and 1,845.24

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Solution

The fourth proportional to 6,461.88, 9,694.50 and 1,845.24 is: 2,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.88 : 9,694.50 = 1,845.24 : x
  2. Step 2: Convert to fraction form
    6,461.88/9,694.50 = 1,845.24/x
  3. Step 3: Cross multiply
    6,461.88x = 9,694.50 × 1,845.24
  4. Step 4: Simplify right side
    6,461.88x = 17,888,679.18
  5. Step 5: Solve for x
    x = 17,888,679.18/6,461.88
  6. Step 6: Final answer
    x = 2,768.34

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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.