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Finding the Fourth Proportional to 9,774.80, 14,662.22 and 2,379.25

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Solution

The fourth proportional to 9,774.80, 14,662.22 and 2,379.25 is: 3,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.80 : 14,662.22 = 2,379.25 : x
  2. Step 2: Convert to fraction form
    9,774.80/14,662.22 = 2,379.25/x
  3. Step 3: Cross multiply
    9,774.80x = 14,662.22 × 2,379.25
  4. Step 4: Simplify right side
    9,774.80x = 34,885,019.57
  5. Step 5: Solve for x
    x = 34,885,019.57/9,774.80
  6. Step 6: Final answer
    x = 3,568.87

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1.5x scale

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.