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Finding the Fourth Proportional to 1,336.60, 1,847.10 and 1,336.60

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Solution

The fourth proportional to 1,336.60, 1,847.10 and 1,336.60 is: 1,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.60 : 1,847.10 = 1,336.60 : x
  2. Step 2: Convert to fraction form
    1,336.60/1,847.10 = 1,336.60/x
  3. Step 3: Cross multiply
    1,336.60x = 1,847.10 × 1,336.60
  4. Step 4: Simplify right side
    1,336.60x = 2,468,833.86
  5. Step 5: Solve for x
    x = 2,468,833.86/1,336.60
  6. Step 6: Final answer
    x = 1,847.10

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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.