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Finding the Fourth Proportional to 8,829.44, 12,185.71 and 5,103.44

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Solution

The fourth proportional to 8,829.44, 12,185.71 and 5,103.44 is: 7,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.44 : 12,185.71 = 5,103.44 : x
  2. Step 2: Convert to fraction form
    8,829.44/12,185.71 = 5,103.44/x
  3. Step 3: Cross multiply
    8,829.44x = 12,185.71 × 5,103.44
  4. Step 4: Simplify right side
    8,829.44x = 62,189,014.33
  5. Step 5: Solve for x
    x = 62,189,014.33/8,829.44
  6. Step 6: Final answer
    x = 7,043.37

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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.