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Finding the Fourth Proportional to 7,281.15, 10,047.99 and 4,137.33

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Solution

The fourth proportional to 7,281.15, 10,047.99 and 4,137.33 is: 5,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.15 : 10,047.99 = 4,137.33 : x
  2. Step 2: Convert to fraction form
    7,281.15/10,047.99 = 4,137.33/x
  3. Step 3: Cross multiply
    7,281.15x = 10,047.99 × 4,137.33
  4. Step 4: Simplify right side
    7,281.15x = 41,571,850.47
  5. Step 5: Solve for x
    x = 41,571,850.47/7,281.15
  6. Step 6: Final answer
    x = 5,709.52

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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.