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Finding the Fourth Proportional to 7,019.49, 9,687.02 and 3,832.95

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Solution

The fourth proportional to 7,019.49, 9,687.02 and 3,832.95 is: 5,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.49 : 9,687.02 = 3,832.95 : x
  2. Step 2: Convert to fraction form
    7,019.49/9,687.02 = 3,832.95/x
  3. Step 3: Cross multiply
    7,019.49x = 9,687.02 × 3,832.95
  4. Step 4: Simplify right side
    7,019.49x = 37,129,844.14
  5. Step 5: Solve for x
    x = 37,129,844.14/7,019.49
  6. Step 6: Final answer
    x = 5,289.54

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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.