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Finding the Fourth Proportional to 8,858.51, 12,224.67 and 4,879.53

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Solution

The fourth proportional to 8,858.51, 12,224.67 and 4,879.53 is: 6,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.51 : 12,224.67 = 4,879.53 : x
  2. Step 2: Convert to fraction form
    8,858.51/12,224.67 = 4,879.53/x
  3. Step 3: Cross multiply
    8,858.51x = 12,224.67 × 4,879.53
  4. Step 4: Simplify right side
    8,858.51x = 59,650,644.01
  5. Step 5: Solve for x
    x = 59,650,644.01/8,858.51
  6. Step 6: Final answer
    x = 6,733.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.