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Finding the Fourth Proportional to 6,473.40, 8,933.40 and 3,641.37

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Solution

The fourth proportional to 6,473.40, 8,933.40 and 3,641.37 is: 5,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.40 : 8,933.40 = 3,641.37 : x
  2. Step 2: Convert to fraction form
    6,473.40/8,933.40 = 3,641.37/x
  3. Step 3: Cross multiply
    6,473.40x = 8,933.40 × 3,641.37
  4. Step 4: Simplify right side
    6,473.40x = 32,529,814.76
  5. Step 5: Solve for x
    x = 32,529,814.76/6,473.40
  6. Step 6: Final answer
    x = 5,025.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.