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Finding the Fourth Proportional to 8,235.83, 12,353.77 and 1,995.83

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Solution

The fourth proportional to 8,235.83, 12,353.77 and 1,995.83 is: 2,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.83 : 12,353.77 = 1,995.83 : x
  2. Step 2: Convert to fraction form
    8,235.83/12,353.77 = 1,995.83/x
  3. Step 3: Cross multiply
    8,235.83x = 12,353.77 × 1,995.83
  4. Step 4: Simplify right side
    8,235.83x = 24,655,958.02
  5. Step 5: Solve for x
    x = 24,655,958.02/8,235.83
  6. Step 6: Final answer
    x = 2,993.74

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