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Finding the Fourth Proportional to 11,773, 17,667.60 and 4,847.50

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Solution

The fourth proportional to 11,773, 17,667.60 and 4,847.50 is: 7,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773 : 17,667.60 = 4,847.50 : x
  2. Step 2: Convert to fraction form
    11,773/17,667.60 = 4,847.50/x
  3. Step 3: Cross multiply
    11,773x = 17,667.60 × 4,847.50
  4. Step 4: Simplify right side
    11,773x = 85,643,691
  5. Step 5: Solve for x
    x = 85,643,691/11,773
  6. Step 6: Final answer
    x = 7,274.59

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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.