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Finding the Fourth Proportional to 8,803.64, 12,149.16 and 5,267

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Solution

The fourth proportional to 8,803.64, 12,149.16 and 5,267 is: 7,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.64 : 12,149.16 = 5,267 : x
  2. Step 2: Convert to fraction form
    8,803.64/12,149.16 = 5,267/x
  3. Step 3: Cross multiply
    8,803.64x = 12,149.16 × 5,267
  4. Step 4: Simplify right side
    8,803.64x = 63,989,625.72
  5. Step 5: Solve for x
    x = 63,989,625.72/8,803.64
  6. Step 6: Final answer
    x = 7,268.54

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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.