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Finding the Fourth Proportional to 6,461.02, 9,691.32 and 1,844.02

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Solution

The fourth proportional to 6,461.02, 9,691.32 and 1,844.02 is: 2,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.02 : 9,691.32 = 1,844.02 : x
  2. Step 2: Convert to fraction form
    6,461.02/9,691.32 = 1,844.02/x
  3. Step 3: Cross multiply
    6,461.02x = 9,691.32 × 1,844.02
  4. Step 4: Simplify right side
    6,461.02x = 17,870,939.45
  5. Step 5: Solve for x
    x = 17,870,939.45/6,461.02
  6. Step 6: Final answer
    x = 2,765.96

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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.