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Finding the Fourth Proportional to 8,883.75, 13,321.74 and 4,722.75

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Solution

The fourth proportional to 8,883.75, 13,321.74 and 4,722.75 is: 7,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.75 : 13,321.74 = 4,722.75 : x
  2. Step 2: Convert to fraction form
    8,883.75/13,321.74 = 4,722.75/x
  3. Step 3: Cross multiply
    8,883.75x = 13,321.74 × 4,722.75
  4. Step 4: Simplify right side
    8,883.75x = 62,915,247.59
  5. Step 5: Solve for x
    x = 62,915,247.59/8,883.75
  6. Step 6: Final answer
    x = 7,082.06

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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.