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Finding the Third Proportional to 4,353.75 and 4,738.50

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Solution

The third proportional to 4,353.75 and 4,738.50 is: 5,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.75 : 4,738.50 = 4,738.50 : x
  2. Step 2: Convert to fraction form
    4,353.75/4,738.50 = 4,738.50/x
  3. Step 3: Cross multiply
    4,353.75x = 4,738.50 × 4,738.50
  4. Step 4: Simplify right side
    4,353.75x = 22,453,382.25
  5. Step 5: Solve for x
    x = 22,453,382.25/4,353.75
  6. Step 6: Final answer
    x = 5,157.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.