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Finding the Fourth Proportional to 8,240.94, 11,372.64 and 4,514.94

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Solution

The fourth proportional to 8,240.94, 11,372.64 and 4,514.94 is: 6,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.94 : 11,372.64 = 4,514.94 : x
  2. Step 2: Convert to fraction form
    8,240.94/11,372.64 = 4,514.94/x
  3. Step 3: Cross multiply
    8,240.94x = 11,372.64 × 4,514.94
  4. Step 4: Simplify right side
    8,240.94x = 51,346,787.24
  5. Step 5: Solve for x
    x = 51,346,787.24/8,240.94
  6. Step 6: Final answer
    x = 6,230.70

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1.5x scale

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.