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Finding the Fourth Proportional to 11,616.14, 17,418.04 and 4,595.87

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Solution

The fourth proportional to 11,616.14, 17,418.04 and 4,595.87 is: 6,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.14 : 17,418.04 = 4,595.87 : x
  2. Step 2: Convert to fraction form
    11,616.14/17,418.04 = 4,595.87/x
  3. Step 3: Cross multiply
    11,616.14x = 17,418.04 × 4,595.87
  4. Step 4: Simplify right side
    11,616.14x = 80,051,079.55
  5. Step 5: Solve for x
    x = 80,051,079.55/11,616.14
  6. Step 6: Final answer
    x = 6,891.37

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1.5x scale

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.