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Finding the Fourth Proportional to 7,906.36, 10,908.80 and 4,502.60

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Solution

The fourth proportional to 7,906.36, 10,908.80 and 4,502.60 is: 6,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.36 : 10,908.80 = 4,502.60 : x
  2. Step 2: Convert to fraction form
    7,906.36/10,908.80 = 4,502.60/x
  3. Step 3: Cross multiply
    7,906.36x = 10,908.80 × 4,502.60
  4. Step 4: Simplify right side
    7,906.36x = 49,117,962.88
  5. Step 5: Solve for x
    x = 49,117,962.88/7,906.36
  6. Step 6: Final answer
    x = 6,212.46

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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.