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Finding the Fourth Proportional to 8,727, 12,043.26 and 5,003.16

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Solution

The fourth proportional to 8,727, 12,043.26 and 5,003.16 is: 6,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727 : 12,043.26 = 5,003.16 : x
  2. Step 2: Convert to fraction form
    8,727/12,043.26 = 5,003.16/x
  3. Step 3: Cross multiply
    8,727x = 12,043.26 × 5,003.16
  4. Step 4: Simplify right side
    8,727x = 60,254,356.70
  5. Step 5: Solve for x
    x = 60,254,356.70/8,727
  6. Step 6: Final answer
    x = 6,904.36

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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.