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Finding the Fourth Proportional to 11,415.60, 17,125.83 and 4,844.88

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Solution

The fourth proportional to 11,415.60, 17,125.83 and 4,844.88 is: 7,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.60 : 17,125.83 = 4,844.88 : x
  2. Step 2: Convert to fraction form
    11,415.60/17,125.83 = 4,844.88/x
  3. Step 3: Cross multiply
    11,415.60x = 17,125.83 × 4,844.88
  4. Step 4: Simplify right side
    11,415.60x = 82,972,591.25
  5. Step 5: Solve for x
    x = 82,972,591.25/11,415.60
  6. Step 6: Final answer
    x = 7,268.35

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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.