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Finding the Fourth Proportional to 5,825.70, 8,728.83 and 4,091.22

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Solution

The fourth proportional to 5,825.70, 8,728.83 and 4,091.22 is: 6,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.70 : 8,728.83 = 4,091.22 : x
  2. Step 2: Convert to fraction form
    5,825.70/8,728.83 = 4,091.22/x
  3. Step 3: Cross multiply
    5,825.70x = 8,728.83 × 4,091.22
  4. Step 4: Simplify right side
    5,825.70x = 35,711,563.87
  5. Step 5: Solve for x
    x = 35,711,563.87/5,825.70
  6. Step 6: Final answer
    x = 6,130.00

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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.