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Finding the Fourth Proportional to 7,798.44, 11,699.37 and 2,867.97

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Solution

The fourth proportional to 7,798.44, 11,699.37 and 2,867.97 is: 4,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.44 : 11,699.37 = 2,867.97 : x
  2. Step 2: Convert to fraction form
    7,798.44/11,699.37 = 2,867.97/x
  3. Step 3: Cross multiply
    7,798.44x = 11,699.37 × 2,867.97
  4. Step 4: Simplify right side
    7,798.44x = 33,553,442.18
  5. Step 5: Solve for x
    x = 33,553,442.18/7,798.44
  6. Step 6: Final answer
    x = 4,302.58

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1.5x scale

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.