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Finding the Fourth Proportional to 8,494.66, 11,725.05 and 4,959.82

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Solution

The fourth proportional to 8,494.66, 11,725.05 and 4,959.82 is: 6,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.66 : 11,725.05 = 4,959.82 : x
  2. Step 2: Convert to fraction form
    8,494.66/11,725.05 = 4,959.82/x
  3. Step 3: Cross multiply
    8,494.66x = 11,725.05 × 4,959.82
  4. Step 4: Simplify right side
    8,494.66x = 58,154,137.49
  5. Step 5: Solve for x
    x = 58,154,137.49/8,494.66
  6. Step 6: Final answer
    x = 6,845.96

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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.