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Finding the Fourth Proportional to 8,235.66, 12,353.48 and 1,995.65

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Solution

The fourth proportional to 8,235.66, 12,353.48 and 1,995.65 is: 2,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.66 : 12,353.48 = 1,995.65 : x
  2. Step 2: Convert to fraction form
    8,235.66/12,353.48 = 1,995.65/x
  3. Step 3: Cross multiply
    8,235.66x = 12,353.48 × 1,995.65
  4. Step 4: Simplify right side
    8,235.66x = 24,653,273.91
  5. Step 5: Solve for x
    x = 24,653,273.91/8,235.66
  6. Step 6: Final answer
    x = 2,993.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.