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Finding the Fourth Proportional to 8,794.77, 13,196.76 and 3,867.86

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Solution

The fourth proportional to 8,794.77, 13,196.76 and 3,867.86 is: 5,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.77 : 13,196.76 = 3,867.86 : x
  2. Step 2: Convert to fraction form
    8,794.77/13,196.76 = 3,867.86/x
  3. Step 3: Cross multiply
    8,794.77x = 13,196.76 × 3,867.86
  4. Step 4: Simplify right side
    8,794.77x = 51,043,220.13
  5. Step 5: Solve for x
    x = 51,043,220.13/8,794.77
  6. Step 6: Final answer
    x = 5,803.82

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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.