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Finding the Fourth Proportional to 11,903.87, 17,857.73 and 4,883.60

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Solution

The fourth proportional to 11,903.87, 17,857.73 and 4,883.60 is: 7,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.87 : 17,857.73 = 4,883.60 : x
  2. Step 2: Convert to fraction form
    11,903.87/17,857.73 = 4,883.60/x
  3. Step 3: Cross multiply
    11,903.87x = 17,857.73 × 4,883.60
  4. Step 4: Simplify right side
    11,903.87x = 87,210,067.08
  5. Step 5: Solve for x
    x = 87,210,067.08/11,903.87
  6. Step 6: Final answer
    x = 7,326.19

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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.