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Finding the Fourth Proportional to 25,163.30, 37,744.82 and 6,443.30

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Solution

The fourth proportional to 25,163.30, 37,744.82 and 6,443.30 is: 9,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.30 : 37,744.82 = 6,443.30 : x
  2. Step 2: Convert to fraction form
    25,163.30/37,744.82 = 6,443.30/x
  3. Step 3: Cross multiply
    25,163.30x = 37,744.82 × 6,443.30
  4. Step 4: Simplify right side
    25,163.30x = 243,201,166.49
  5. Step 5: Solve for x
    x = 243,201,166.49/25,163.30
  6. Step 6: Final answer
    x = 9,664.92

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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.