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Finding the Fourth Proportional to 6,806.77, 10,196.48 and 4,961.79

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Solution

The fourth proportional to 6,806.77, 10,196.48 and 4,961.79 is: 7,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.77 : 10,196.48 = 4,961.79 : x
  2. Step 2: Convert to fraction form
    6,806.77/10,196.48 = 4,961.79/x
  3. Step 3: Cross multiply
    6,806.77x = 10,196.48 × 4,961.79
  4. Step 4: Simplify right side
    6,806.77x = 50,592,804.90
  5. Step 5: Solve for x
    x = 50,592,804.90/6,806.77
  6. Step 6: Final answer
    x = 7,432.72

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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.