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Finding the Fourth Proportional to 5,231.49, 7,219.01 and 2,993.01

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Solution

The fourth proportional to 5,231.49, 7,219.01 and 2,993.01 is: 4,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.49 : 7,219.01 = 2,993.01 : x
  2. Step 2: Convert to fraction form
    5,231.49/7,219.01 = 2,993.01/x
  3. Step 3: Cross multiply
    5,231.49x = 7,219.01 × 2,993.01
  4. Step 4: Simplify right side
    5,231.49x = 21,606,554.16
  5. Step 5: Solve for x
    x = 21,606,554.16/5,231.49
  6. Step 6: Final answer
    x = 4,130.10

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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.