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Finding the Fourth Proportional to 7,995.70, 11,993.53 and 2,448.97

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Solution

The fourth proportional to 7,995.70, 11,993.53 and 2,448.97 is: 3,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.70 : 11,993.53 = 2,448.97 : x
  2. Step 2: Convert to fraction form
    7,995.70/11,993.53 = 2,448.97/x
  3. Step 3: Cross multiply
    7,995.70x = 11,993.53 × 2,448.97
  4. Step 4: Simplify right side
    7,995.70x = 29,371,795.16
  5. Step 5: Solve for x
    x = 29,371,795.16/7,995.70
  6. Step 6: Final answer
    x = 3,673.45

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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.