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Finding the Fourth Proportional to 6,469.54, 8,928.33 and 4,894.90

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Solution

The fourth proportional to 6,469.54, 8,928.33 and 4,894.90 is: 6,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.54 : 8,928.33 = 4,894.90 : x
  2. Step 2: Convert to fraction form
    6,469.54/8,928.33 = 4,894.90/x
  3. Step 3: Cross multiply
    6,469.54x = 8,928.33 × 4,894.90
  4. Step 4: Simplify right side
    6,469.54x = 43,703,282.52
  5. Step 5: Solve for x
    x = 43,703,282.52/6,469.54
  6. Step 6: Final answer
    x = 6,755.24

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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.