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Finding the Fourth Proportional to 6,272.52, 9,409.68 and 1,891.32

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Solution

The fourth proportional to 6,272.52, 9,409.68 and 1,891.32 is: 2,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.52 : 9,409.68 = 1,891.32 : x
  2. Step 2: Convert to fraction form
    6,272.52/9,409.68 = 1,891.32/x
  3. Step 3: Cross multiply
    6,272.52x = 9,409.68 × 1,891.32
  4. Step 4: Simplify right side
    6,272.52x = 17,796,715.98
  5. Step 5: Solve for x
    x = 17,796,715.98/6,272.52
  6. Step 6: Final answer
    x = 2,837.25

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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.