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Finding the Fourth Proportional to 7,782.50, 10,736.37 and 4,797.24

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Solution

The fourth proportional to 7,782.50, 10,736.37 and 4,797.24 is: 6,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.50 : 10,736.37 = 4,797.24 : x
  2. Step 2: Convert to fraction form
    7,782.50/10,736.37 = 4,797.24/x
  3. Step 3: Cross multiply
    7,782.50x = 10,736.37 × 4,797.24
  4. Step 4: Simplify right side
    7,782.50x = 51,504,943.62
  5. Step 5: Solve for x
    x = 51,504,943.62/7,782.50
  6. Step 6: Final answer
    x = 6,618.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.