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Finding the Fourth Proportional to 7,899.54, 11,850.52 and 2,969.52

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Solution

The fourth proportional to 7,899.54, 11,850.52 and 2,969.52 is: 4,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.54 : 11,850.52 = 2,969.52 : x
  2. Step 2: Convert to fraction form
    7,899.54/11,850.52 = 2,969.52/x
  3. Step 3: Cross multiply
    7,899.54x = 11,850.52 × 2,969.52
  4. Step 4: Simplify right side
    7,899.54x = 35,190,356.15
  5. Step 5: Solve for x
    x = 35,190,356.15/7,899.54
  6. Step 6: Final answer
    x = 4,454.74

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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.