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Finding the Fourth Proportional to 6,916.99, 10,376.13 and 2,755.99

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Solution

The fourth proportional to 6,916.99, 10,376.13 and 2,755.99 is: 4,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.99 : 10,376.13 = 2,755.99 : x
  2. Step 2: Convert to fraction form
    6,916.99/10,376.13 = 2,755.99/x
  3. Step 3: Cross multiply
    6,916.99x = 10,376.13 × 2,755.99
  4. Step 4: Simplify right side
    6,916.99x = 28,596,510.52
  5. Step 5: Solve for x
    x = 28,596,510.52/6,916.99
  6. Step 6: Final answer
    x = 4,134.24

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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.