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Finding the Fourth Proportional to 10,347.54, 15,493.74 and 7,067.04

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Solution

The fourth proportional to 10,347.54, 15,493.74 and 7,067.04 is: 10,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.54 : 15,493.74 = 7,067.04 : x
  2. Step 2: Convert to fraction form
    10,347.54/15,493.74 = 7,067.04/x
  3. Step 3: Cross multiply
    10,347.54x = 15,493.74 × 7,067.04
  4. Step 4: Simplify right side
    10,347.54x = 109,494,880.33
  5. Step 5: Solve for x
    x = 109,494,880.33/10,347.54
  6. Step 6: Final answer
    x = 10,581.73

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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.