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Finding the Fourth Proportional to 9,759, 14,640.35 and 3,916.07

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Solution

The fourth proportional to 9,759, 14,640.35 and 3,916.07 is: 5,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759 : 14,640.35 = 3,916.07 : x
  2. Step 2: Convert to fraction form
    9,759/14,640.35 = 3,916.07/x
  3. Step 3: Cross multiply
    9,759x = 14,640.35 × 3,916.07
  4. Step 4: Simplify right side
    9,759x = 57,332,542.64
  5. Step 5: Solve for x
    x = 57,332,542.64/9,759
  6. Step 6: Final answer
    x = 5,874.84

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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.