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Finding the Fourth Proportional to 10,792.11, 14,889.63 and 6,544.87

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Solution

The fourth proportional to 10,792.11, 14,889.63 and 6,544.87 is: 9,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.11 : 14,889.63 = 6,544.87 : x
  2. Step 2: Convert to fraction form
    10,792.11/14,889.63 = 6,544.87/x
  3. Step 3: Cross multiply
    10,792.11x = 14,889.63 × 6,544.87
  4. Step 4: Simplify right side
    10,792.11x = 97,450,692.70
  5. Step 5: Solve for x
    x = 97,450,692.70/10,792.11
  6. Step 6: Final answer
    x = 9,029.81

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Why These Related Problems?

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