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Finding the Fourth Proportional to 8,153.15, 11,254.02 and 4,795.81

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Solution

The fourth proportional to 8,153.15, 11,254.02 and 4,795.81 is: 6,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.15 : 11,254.02 = 4,795.81 : x
  2. Step 2: Convert to fraction form
    8,153.15/11,254.02 = 4,795.81/x
  3. Step 3: Cross multiply
    8,153.15x = 11,254.02 × 4,795.81
  4. Step 4: Simplify right side
    8,153.15x = 53,972,141.66
  5. Step 5: Solve for x
    x = 53,972,141.66/8,153.15
  6. Step 6: Final answer
    x = 6,619.79

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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.