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Finding the Fourth Proportional to 11,895.92, 17,841.08 and 5,318.48

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Solution

The fourth proportional to 11,895.92, 17,841.08 and 5,318.48 is: 7,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.92 : 17,841.08 = 5,318.48 : x
  2. Step 2: Convert to fraction form
    11,895.92/17,841.08 = 5,318.48/x
  3. Step 3: Cross multiply
    11,895.92x = 17,841.08 × 5,318.48
  4. Step 4: Simplify right side
    11,895.92x = 94,887,427.16
  5. Step 5: Solve for x
    x = 94,887,427.16/11,895.92
  6. Step 6: Final answer
    x = 7,976.47

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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.