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Finding the Fourth Proportional to 7,996.68, 11,995.02 and 2,802.57

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Solution

The fourth proportional to 7,996.68, 11,995.02 and 2,802.57 is: 4,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.68 : 11,995.02 = 2,802.57 : x
  2. Step 2: Convert to fraction form
    7,996.68/11,995.02 = 2,802.57/x
  3. Step 3: Cross multiply
    7,996.68x = 11,995.02 × 2,802.57
  4. Step 4: Simplify right side
    7,996.68x = 33,616,883.20
  5. Step 5: Solve for x
    x = 33,616,883.20/7,996.68
  6. Step 6: Final answer
    x = 4,203.86

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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.