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Finding the Fourth Proportional to 7,996.98, 11,993.30 and 4,102.50

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Solution

The fourth proportional to 7,996.98, 11,993.30 and 4,102.50 is: 6,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.98 : 11,993.30 = 4,102.50 : x
  2. Step 2: Convert to fraction form
    7,996.98/11,993.30 = 4,102.50/x
  3. Step 3: Cross multiply
    7,996.98x = 11,993.30 × 4,102.50
  4. Step 4: Simplify right side
    7,996.98x = 49,202,513.25
  5. Step 5: Solve for x
    x = 49,202,513.25/7,996.98
  6. Step 6: Final answer
    x = 6,152.64

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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.