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Finding the Fourth Proportional to 8,493.03, 11,719.61 and 4,955.56

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Solution

The fourth proportional to 8,493.03, 11,719.61 and 4,955.56 is: 6,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.03 : 11,719.61 = 4,955.56 : x
  2. Step 2: Convert to fraction form
    8,493.03/11,719.61 = 4,955.56/x
  3. Step 3: Cross multiply
    8,493.03x = 11,719.61 × 4,955.56
  4. Step 4: Simplify right side
    8,493.03x = 58,077,230.53
  5. Step 5: Solve for x
    x = 58,077,230.53/8,493.03
  6. Step 6: Final answer
    x = 6,838.22

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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.