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Finding the Fourth Proportional to 5,995.54, 8,274.45 and 3,478.42

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Solution

The fourth proportional to 5,995.54, 8,274.45 and 3,478.42 is: 4,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,995.54 : 8,274.45 = 3,478.42 : x
  2. Step 2: Convert to fraction form
    5,995.54/8,274.45 = 3,478.42/x
  3. Step 3: Cross multiply
    5,995.54x = 8,274.45 × 3,478.42
  4. Step 4: Simplify right side
    5,995.54x = 28,782,012.37
  5. Step 5: Solve for x
    x = 28,782,012.37/5,995.54
  6. Step 6: Final answer
    x = 4,800.57

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Half scale
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Double scale
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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.