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Finding the Fourth Proportional to 5,236.99, 7,853.44 and 1,948.29

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Solution

The fourth proportional to 5,236.99, 7,853.44 and 1,948.29 is: 2,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.99 : 7,853.44 = 1,948.29 : x
  2. Step 2: Convert to fraction form
    5,236.99/7,853.44 = 1,948.29/x
  3. Step 3: Cross multiply
    5,236.99x = 7,853.44 × 1,948.29
  4. Step 4: Simplify right side
    5,236.99x = 15,300,792.13
  5. Step 5: Solve for x
    x = 15,300,792.13/5,236.99
  6. Step 6: Final answer
    x = 2,921.68

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Double scale
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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.