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Finding the Fourth Proportional to 8,893.89, 12,273.83 and 5,310.95

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Solution

The fourth proportional to 8,893.89, 12,273.83 and 5,310.95 is: 7,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.89 : 12,273.83 = 5,310.95 : x
  2. Step 2: Convert to fraction form
    8,893.89/12,273.83 = 5,310.95/x
  3. Step 3: Cross multiply
    8,893.89x = 12,273.83 × 5,310.95
  4. Step 4: Simplify right side
    8,893.89x = 65,185,609.51
  5. Step 5: Solve for x
    x = 65,185,609.51/8,893.89
  6. Step 6: Final answer
    x = 7,329.26

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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.