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Finding the Fourth Proportional to 11,760.88, 17,627.64 and 4,359.64

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Solution

The fourth proportional to 11,760.88, 17,627.64 and 4,359.64 is: 6,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.88 : 17,627.64 = 4,359.64 : x
  2. Step 2: Convert to fraction form
    11,760.88/17,627.64 = 4,359.64/x
  3. Step 3: Cross multiply
    11,760.88x = 17,627.64 × 4,359.64
  4. Step 4: Simplify right side
    11,760.88x = 76,850,164.45
  5. Step 5: Solve for x
    x = 76,850,164.45/11,760.88
  6. Step 6: Final answer
    x = 6,534.39

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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.