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Finding the Fourth Proportional to 6,617.70, 9,907.11 and 4,894.02

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Solution

The fourth proportional to 6,617.70, 9,907.11 and 4,894.02 is: 7,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.70 : 9,907.11 = 4,894.02 : x
  2. Step 2: Convert to fraction form
    6,617.70/9,907.11 = 4,894.02/x
  3. Step 3: Cross multiply
    6,617.70x = 9,907.11 × 4,894.02
  4. Step 4: Simplify right side
    6,617.70x = 48,485,594.48
  5. Step 5: Solve for x
    x = 48,485,594.48/6,617.70
  6. Step 6: Final answer
    x = 7,326.65

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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.