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Finding the Fourth Proportional to 9,323.75, 13,991.70 and 4,706.75

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Solution

The fourth proportional to 9,323.75, 13,991.70 and 4,706.75 is: 7,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.75 : 13,991.70 = 4,706.75 : x
  2. Step 2: Convert to fraction form
    9,323.75/13,991.70 = 4,706.75/x
  3. Step 3: Cross multiply
    9,323.75x = 13,991.70 × 4,706.75
  4. Step 4: Simplify right side
    9,323.75x = 65,855,433.98
  5. Step 5: Solve for x
    x = 65,855,433.98/9,323.75
  6. Step 6: Final answer
    x = 7,063.19

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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.