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Finding the Fourth Proportional to 11,907.83, 17,867.82 and 4,893.23

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Solution

The fourth proportional to 11,907.83, 17,867.82 and 4,893.23 is: 7,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.83 : 17,867.82 = 4,893.23 : x
  2. Step 2: Convert to fraction form
    11,907.83/17,867.82 = 4,893.23/x
  3. Step 3: Cross multiply
    11,907.83x = 17,867.82 × 4,893.23
  4. Step 4: Simplify right side
    11,907.83x = 87,431,352.86
  5. Step 5: Solve for x
    x = 87,431,352.86/11,907.83
  6. Step 6: Final answer
    x = 7,342.34

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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.