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Finding the Fourth Proportional to 6,543.59, 9,807.89 and 3,249.32

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Solution

The fourth proportional to 6,543.59, 9,807.89 and 3,249.32 is: 4,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.59 : 9,807.89 = 3,249.32 : x
  2. Step 2: Convert to fraction form
    6,543.59/9,807.89 = 3,249.32/x
  3. Step 3: Cross multiply
    6,543.59x = 9,807.89 × 3,249.32
  4. Step 4: Simplify right side
    6,543.59x = 31,868,907.85
  5. Step 5: Solve for x
    x = 31,868,907.85/6,543.59
  6. Step 6: Final answer
    x = 4,870.25

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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.