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Finding the Fourth Proportional to 5,062.99, 6,987.17 and 3,072.37

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Solution

The fourth proportional to 5,062.99, 6,987.17 and 3,072.37 is: 4,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.99 : 6,987.17 = 3,072.37 : x
  2. Step 2: Convert to fraction form
    5,062.99/6,987.17 = 3,072.37/x
  3. Step 3: Cross multiply
    5,062.99x = 6,987.17 × 3,072.37
  4. Step 4: Simplify right side
    5,062.99x = 21,467,171.49
  5. Step 5: Solve for x
    x = 21,467,171.49/5,062.99
  6. Step 6: Final answer
    x = 4,240.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.