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Finding the Fourth Proportional to 5,769.36, 8,654.04 and 4,486.32

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Solution

The fourth proportional to 5,769.36, 8,654.04 and 4,486.32 is: 6,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.36 : 8,654.04 = 4,486.32 : x
  2. Step 2: Convert to fraction form
    5,769.36/8,654.04 = 4,486.32/x
  3. Step 3: Cross multiply
    5,769.36x = 8,654.04 × 4,486.32
  4. Step 4: Simplify right side
    5,769.36x = 38,824,792.73
  5. Step 5: Solve for x
    x = 38,824,792.73/5,769.36
  6. Step 6: Final answer
    x = 6,729.48

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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.