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Finding the Fourth Proportional to 10,738.92, 14,812.89 and 7,759.13

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Solution

The fourth proportional to 10,738.92, 14,812.89 and 7,759.13 is: 10,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.92 : 14,812.89 = 7,759.13 : x
  2. Step 2: Convert to fraction form
    10,738.92/14,812.89 = 7,759.13/x
  3. Step 3: Cross multiply
    10,738.92x = 14,812.89 × 7,759.13
  4. Step 4: Simplify right side
    10,738.92x = 114,935,139.19
  5. Step 5: Solve for x
    x = 114,935,139.19/10,738.92
  6. Step 6: Final answer
    x = 10,702.67

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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.