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Finding the Fourth Proportional to 12,313.91, 16,993.82 and 7,532.34

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Solution

The fourth proportional to 12,313.91, 16,993.82 and 7,532.34 is: 10,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.91 : 16,993.82 = 7,532.34 : x
  2. Step 2: Convert to fraction form
    12,313.91/16,993.82 = 7,532.34/x
  3. Step 3: Cross multiply
    12,313.91x = 16,993.82 × 7,532.34
  4. Step 4: Simplify right side
    12,313.91x = 128,003,238.46
  5. Step 5: Solve for x
    x = 128,003,238.46/12,313.91
  6. Step 6: Final answer
    x = 10,395.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.