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Finding the Fourth Proportional to 2,602.05, 3,903.08 and 2,245.31

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Solution

The fourth proportional to 2,602.05, 3,903.08 and 2,245.31 is: 3,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.05 : 3,903.08 = 2,245.31 : x
  2. Step 2: Convert to fraction form
    2,602.05/3,903.08 = 2,245.31/x
  3. Step 3: Cross multiply
    2,602.05x = 3,903.08 × 2,245.31
  4. Step 4: Simplify right side
    2,602.05x = 8,763,593.81
  5. Step 5: Solve for x
    x = 8,763,593.81/2,602.05
  6. Step 6: Final answer
    x = 3,367.96

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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.