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Finding the Fourth Proportional to 4,669.60, 7,010.80 and 3,696.80

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Solution

The fourth proportional to 4,669.60, 7,010.80 and 3,696.80 is: 5,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.60 : 7,010.80 = 3,696.80 : x
  2. Step 2: Convert to fraction form
    4,669.60/7,010.80 = 3,696.80/x
  3. Step 3: Cross multiply
    4,669.60x = 7,010.80 × 3,696.80
  4. Step 4: Simplify right side
    4,669.60x = 25,917,525.44
  5. Step 5: Solve for x
    x = 25,917,525.44/4,669.60
  6. Step 6: Final answer
    x = 5,550.27

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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.