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Finding the Fourth Proportional to 9,326.57, 13,979.67 and 4,650.03

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Solution

The fourth proportional to 9,326.57, 13,979.67 and 4,650.03 is: 6,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.57 : 13,979.67 = 4,650.03 : x
  2. Step 2: Convert to fraction form
    9,326.57/13,979.67 = 4,650.03/x
  3. Step 3: Cross multiply
    9,326.57x = 13,979.67 × 4,650.03
  4. Step 4: Simplify right side
    9,326.57x = 65,005,884.89
  5. Step 5: Solve for x
    x = 65,005,884.89/9,326.57
  6. Step 6: Final answer
    x = 6,969.97

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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.