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Finding the Fourth Proportional to 7,356.98, 10,147.49 and 4,838.28

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Solution

The fourth proportional to 7,356.98, 10,147.49 and 4,838.28 is: 6,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.98 : 10,147.49 = 4,838.28 : x
  2. Step 2: Convert to fraction form
    7,356.98/10,147.49 = 4,838.28/x
  3. Step 3: Cross multiply
    7,356.98x = 10,147.49 × 4,838.28
  4. Step 4: Simplify right side
    7,356.98x = 49,096,397.92
  5. Step 5: Solve for x
    x = 49,096,397.92/7,356.98
  6. Step 6: Final answer
    x = 6,673.44

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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.