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Finding the Fourth Proportional to 7,489.98, 11,235.02 and 3,329.01

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Solution

The fourth proportional to 7,489.98, 11,235.02 and 3,329.01 is: 4,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.98 : 11,235.02 = 3,329.01 : x
  2. Step 2: Convert to fraction form
    7,489.98/11,235.02 = 3,329.01/x
  3. Step 3: Cross multiply
    7,489.98x = 11,235.02 × 3,329.01
  4. Step 4: Simplify right side
    7,489.98x = 37,401,477.29
  5. Step 5: Solve for x
    x = 37,401,477.29/7,489.98
  6. Step 6: Final answer
    x = 4,993.54

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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.