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Finding the Fourth Proportional to 11,891.08, 17,835 and 6,953.32

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Solution

The fourth proportional to 11,891.08, 17,835 and 6,953.32 is: 10,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.08 : 17,835 = 6,953.32 : x
  2. Step 2: Convert to fraction form
    11,891.08/17,835 = 6,953.32/x
  3. Step 3: Cross multiply
    11,891.08x = 17,835 × 6,953.32
  4. Step 4: Simplify right side
    11,891.08x = 124,012,462.20
  5. Step 5: Solve for x
    x = 124,012,462.20/11,891.08
  6. Step 6: Final answer
    x = 10,429.03

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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.