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Finding the Fourth Proportional to 5,896.60, 8,845 and 4,721.16

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Solution

The fourth proportional to 5,896.60, 8,845 and 4,721.16 is: 7,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,896.60 : 8,845 = 4,721.16 : x
  2. Step 2: Convert to fraction form
    5,896.60/8,845 = 4,721.16/x
  3. Step 3: Cross multiply
    5,896.60x = 8,845 × 4,721.16
  4. Step 4: Simplify right side
    5,896.60x = 41,758,660.20
  5. Step 5: Solve for x
    x = 41,758,660.20/5,896.60
  6. Step 6: Final answer
    x = 7,081.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.