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Finding the Fourth Proportional to 8,729.92, 13,094.22 and 3,803.08

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Solution

The fourth proportional to 8,729.92, 13,094.22 and 3,803.08 is: 5,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.92 : 13,094.22 = 3,803.08 : x
  2. Step 2: Convert to fraction form
    8,729.92/13,094.22 = 3,803.08/x
  3. Step 3: Cross multiply
    8,729.92x = 13,094.22 × 3,803.08
  4. Step 4: Simplify right side
    8,729.92x = 49,798,366.20
  5. Step 5: Solve for x
    x = 49,798,366.20/8,729.92
  6. Step 6: Final answer
    x = 5,704.33

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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.