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Finding the Fourth Proportional to 10,794.72, 14,896.20 and 6,078.88

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Solution

The fourth proportional to 10,794.72, 14,896.20 and 6,078.88 is: 8,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.72 : 14,896.20 = 6,078.88 : x
  2. Step 2: Convert to fraction form
    10,794.72/14,896.20 = 6,078.88/x
  3. Step 3: Cross multiply
    10,794.72x = 14,896.20 × 6,078.88
  4. Step 4: Simplify right side
    10,794.72x = 90,552,212.26
  5. Step 5: Solve for x
    x = 90,552,212.26/10,794.72
  6. Step 6: Final answer
    x = 8,388.57

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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.