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Finding the Fourth Proportional to 7,608.66, 10,513.36 and 5,855.41

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Solution

The fourth proportional to 7,608.66, 10,513.36 and 5,855.41 is: 8,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.66 : 10,513.36 = 5,855.41 : x
  2. Step 2: Convert to fraction form
    7,608.66/10,513.36 = 5,855.41/x
  3. Step 3: Cross multiply
    7,608.66x = 10,513.36 × 5,855.41
  4. Step 4: Simplify right side
    7,608.66x = 61,560,033.28
  5. Step 5: Solve for x
    x = 61,560,033.28/7,608.66
  6. Step 6: Final answer
    x = 8,090.79

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1.5x scale

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.