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Finding the Fourth Proportional to 6,656.57, 9,984.51 and 3,369.57

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Solution

The fourth proportional to 6,656.57, 9,984.51 and 3,369.57 is: 5,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.57 : 9,984.51 = 3,369.57 : x
  2. Step 2: Convert to fraction form
    6,656.57/9,984.51 = 3,369.57/x
  3. Step 3: Cross multiply
    6,656.57x = 9,984.51 × 3,369.57
  4. Step 4: Simplify right side
    6,656.57x = 33,643,549.79
  5. Step 5: Solve for x
    x = 33,643,549.79/6,656.57
  6. Step 6: Final answer
    x = 5,054.19

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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.