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Finding the Fourth Proportional to 5,673.98, 8,510.96 and 1,778.69

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Solution

The fourth proportional to 5,673.98, 8,510.96 and 1,778.69 is: 2,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.98 : 8,510.96 = 1,778.69 : x
  2. Step 2: Convert to fraction form
    5,673.98/8,510.96 = 1,778.69/x
  3. Step 3: Cross multiply
    5,673.98x = 8,510.96 × 1,778.69
  4. Step 4: Simplify right side
    5,673.98x = 15,138,359.44
  5. Step 5: Solve for x
    x = 15,138,359.44/5,673.98
  6. Step 6: Final answer
    x = 2,668.03

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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.