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Finding the Fourth Proportional to 6,074.60, 8,384.88 and 3,946.38

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Solution

The fourth proportional to 6,074.60, 8,384.88 and 3,946.38 is: 5,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074.60 : 8,384.88 = 3,946.38 : x
  2. Step 2: Convert to fraction form
    6,074.60/8,384.88 = 3,946.38/x
  3. Step 3: Cross multiply
    6,074.60x = 8,384.88 × 3,946.38
  4. Step 4: Simplify right side
    6,074.60x = 33,089,922.73
  5. Step 5: Solve for x
    x = 33,089,922.73/6,074.60
  6. Step 6: Final answer
    x = 5,447.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.