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Finding the Fourth Proportional to 8,481.44, 11,703.12 and 4,847.22

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Solution

The fourth proportional to 8,481.44, 11,703.12 and 4,847.22 is: 6,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.44 : 11,703.12 = 4,847.22 : x
  2. Step 2: Convert to fraction form
    8,481.44/11,703.12 = 4,847.22/x
  3. Step 3: Cross multiply
    8,481.44x = 11,703.12 × 4,847.22
  4. Step 4: Simplify right side
    8,481.44x = 56,727,597.33
  5. Step 5: Solve for x
    x = 56,727,597.33/8,481.44
  6. Step 6: Final answer
    x = 6,688.44

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Half scale
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Double scale
Find fourth proportional to 8,482.44, 11,704.50 and 4,848.22
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.