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Finding the Fourth Proportional to 5,263.56, 7,263.84 and 3,025.80

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Solution

The fourth proportional to 5,263.56, 7,263.84 and 3,025.80 is: 4,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.56 : 7,263.84 = 3,025.80 : x
  2. Step 2: Convert to fraction form
    5,263.56/7,263.84 = 3,025.80/x
  3. Step 3: Cross multiply
    5,263.56x = 7,263.84 × 3,025.80
  4. Step 4: Simplify right side
    5,263.56x = 21,978,927.07
  5. Step 5: Solve for x
    x = 21,978,927.07/5,263.56
  6. Step 6: Final answer
    x = 4,175.68

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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.