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Finding the Fourth Proportional to 9,064.78, 13,597.17 and 3,221.62

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Solution

The fourth proportional to 9,064.78, 13,597.17 and 3,221.62 is: 4,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.78 : 13,597.17 = 3,221.62 : x
  2. Step 2: Convert to fraction form
    9,064.78/13,597.17 = 3,221.62/x
  3. Step 3: Cross multiply
    9,064.78x = 13,597.17 × 3,221.62
  4. Step 4: Simplify right side
    9,064.78x = 43,804,956.86
  5. Step 5: Solve for x
    x = 43,804,956.86/9,064.78
  6. Step 6: Final answer
    x = 4,832.43

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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.