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Finding the Fourth Proportional to 10,809.69, 14,916.65 and 6,093.87

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Solution

The fourth proportional to 10,809.69, 14,916.65 and 6,093.87 is: 8,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.69 : 14,916.65 = 6,093.87 : x
  2. Step 2: Convert to fraction form
    10,809.69/14,916.65 = 6,093.87/x
  3. Step 3: Cross multiply
    10,809.69x = 14,916.65 × 6,093.87
  4. Step 4: Simplify right side
    10,809.69x = 90,900,125.94
  5. Step 5: Solve for x
    x = 90,900,125.94/10,809.69
  6. Step 6: Final answer
    x = 8,409.13

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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.