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Finding the Fourth Proportional to 9,813.56, 14,720.51 and 2,793.75

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Solution

The fourth proportional to 9,813.56, 14,720.51 and 2,793.75 is: 4,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.56 : 14,720.51 = 2,793.75 : x
  2. Step 2: Convert to fraction form
    9,813.56/14,720.51 = 2,793.75/x
  3. Step 3: Cross multiply
    9,813.56x = 14,720.51 × 2,793.75
  4. Step 4: Simplify right side
    9,813.56x = 41,125,443.68
  5. Step 5: Solve for x
    x = 41,125,443.68/9,813.56
  6. Step 6: Final answer
    x = 4,190.68

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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.