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Finding the Fourth Proportional to 10,548.90, 15,824.97 and 5,351.94

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Solution

The fourth proportional to 10,548.90, 15,824.97 and 5,351.94 is: 8,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.90 : 15,824.97 = 5,351.94 : x
  2. Step 2: Convert to fraction form
    10,548.90/15,824.97 = 5,351.94/x
  3. Step 3: Cross multiply
    10,548.90x = 15,824.97 × 5,351.94
  4. Step 4: Simplify right side
    10,548.90x = 84,694,289.94
  5. Step 5: Solve for x
    x = 84,694,289.94/10,548.90
  6. Step 6: Final answer
    x = 8,028.73

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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.