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Finding the Fourth Proportional to 7,364.55, 11,046.89 and 2,099.55

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Solution

The fourth proportional to 7,364.55, 11,046.89 and 2,099.55 is: 3,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.55 : 11,046.89 = 2,099.55 : x
  2. Step 2: Convert to fraction form
    7,364.55/11,046.89 = 2,099.55/x
  3. Step 3: Cross multiply
    7,364.55x = 11,046.89 × 2,099.55
  4. Step 4: Simplify right side
    7,364.55x = 23,193,497.90
  5. Step 5: Solve for x
    x = 23,193,497.90/7,364.55
  6. Step 6: Final answer
    x = 3,149.34

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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.