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Finding the Fourth Proportional to 9,713.75, 14,567.79 and 3,789.32

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Solution

The fourth proportional to 9,713.75, 14,567.79 and 3,789.32 is: 5,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.75 : 14,567.79 = 3,789.32 : x
  2. Step 2: Convert to fraction form
    9,713.75/14,567.79 = 3,789.32/x
  3. Step 3: Cross multiply
    9,713.75x = 14,567.79 × 3,789.32
  4. Step 4: Simplify right side
    9,713.75x = 55,202,018.00
  5. Step 5: Solve for x
    x = 55,202,018.00/9,713.75
  6. Step 6: Final answer
    x = 5,682.87

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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.