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Finding the Fourth Proportional to 9,965.15, 14,950.04 and 3,391.34

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Solution

The fourth proportional to 9,965.15, 14,950.04 and 3,391.34 is: 5,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.15 : 14,950.04 = 3,391.34 : x
  2. Step 2: Convert to fraction form
    9,965.15/14,950.04 = 3,391.34/x
  3. Step 3: Cross multiply
    9,965.15x = 14,950.04 × 3,391.34
  4. Step 4: Simplify right side
    9,965.15x = 50,700,689.07
  5. Step 5: Solve for x
    x = 50,700,689.07/9,965.15
  6. Step 6: Final answer
    x = 5,087.80

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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.