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Finding the Fourth Proportional to 8,310.92, 11,467.08 and 4,725.08

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Solution

The fourth proportional to 8,310.92, 11,467.08 and 4,725.08 is: 6,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.92 : 11,467.08 = 4,725.08 : x
  2. Step 2: Convert to fraction form
    8,310.92/11,467.08 = 4,725.08/x
  3. Step 3: Cross multiply
    8,310.92x = 11,467.08 × 4,725.08
  4. Step 4: Simplify right side
    8,310.92x = 54,182,870.37
  5. Step 5: Solve for x
    x = 54,182,870.37/8,310.92
  6. Step 6: Final answer
    x = 6,519.48

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Half scale
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Double scale
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Similar ratio
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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.