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Finding the Fourth Proportional to 7,693.88, 11,540.76 and 4,404.64

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Solution

The fourth proportional to 7,693.88, 11,540.76 and 4,404.64 is: 6,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.88 : 11,540.76 = 4,404.64 : x
  2. Step 2: Convert to fraction form
    7,693.88/11,540.76 = 4,404.64/x
  3. Step 3: Cross multiply
    7,693.88x = 11,540.76 × 4,404.64
  4. Step 4: Simplify right side
    7,693.88x = 50,832,893.13
  5. Step 5: Solve for x
    x = 50,832,893.13/7,693.88
  6. Step 6: Final answer
    x = 6,606.93

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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.