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Finding the Fourth Proportional to 7,900.98, 11,840.10 and 5,804.52

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Solution

The fourth proportional to 7,900.98, 11,840.10 and 5,804.52 is: 8,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.98 : 11,840.10 = 5,804.52 : x
  2. Step 2: Convert to fraction form
    7,900.98/11,840.10 = 5,804.52/x
  3. Step 3: Cross multiply
    7,900.98x = 11,840.10 × 5,804.52
  4. Step 4: Simplify right side
    7,900.98x = 68,726,097.25
  5. Step 5: Solve for x
    x = 68,726,097.25/7,900.98
  6. Step 6: Final answer
    x = 8,698.43

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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.