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Finding the Fourth Proportional to 6,173.60, 8,519.51 and 3,340.92

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Solution

The fourth proportional to 6,173.60, 8,519.51 and 3,340.92 is: 4,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.60 : 8,519.51 = 3,340.92 : x
  2. Step 2: Convert to fraction form
    6,173.60/8,519.51 = 3,340.92/x
  3. Step 3: Cross multiply
    6,173.60x = 8,519.51 × 3,340.92
  4. Step 4: Simplify right side
    6,173.60x = 28,463,001.35
  5. Step 5: Solve for x
    x = 28,463,001.35/6,173.60
  6. Step 6: Final answer
    x = 4,610.44

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Half 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.