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Finding the Fourth Proportional to 7,392.78, 10,192.96 and 4,593.42

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Solution

The fourth proportional to 7,392.78, 10,192.96 and 4,593.42 is: 6,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.78 : 10,192.96 = 4,593.42 : x
  2. Step 2: Convert to fraction form
    7,392.78/10,192.96 = 4,593.42/x
  3. Step 3: Cross multiply
    7,392.78x = 10,192.96 × 4,593.42
  4. Step 4: Simplify right side
    7,392.78x = 46,820,546.32
  5. Step 5: Solve for x
    x = 46,820,546.32/7,392.78
  6. Step 6: Final answer
    x = 6,333.28

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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.