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Finding the Fourth Proportional to 5,771.81, 8,654.64 and 2,995.69

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Solution

The fourth proportional to 5,771.81, 8,654.64 and 2,995.69 is: 4,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.81 : 8,654.64 = 2,995.69 : x
  2. Step 2: Convert to fraction form
    5,771.81/8,654.64 = 2,995.69/x
  3. Step 3: Cross multiply
    5,771.81x = 8,654.64 × 2,995.69
  4. Step 4: Simplify right side
    5,771.81x = 25,926,618.50
  5. Step 5: Solve for x
    x = 25,926,618.50/5,771.81
  6. Step 6: Final answer
    x = 4,491.94

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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.