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Finding the Fourth Proportional to 7,804.44, 10,757.44 and 4,813.80

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Solution

The fourth proportional to 7,804.44, 10,757.44 and 4,813.80 is: 6,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.44 : 10,757.44 = 4,813.80 : x
  2. Step 2: Convert to fraction form
    7,804.44/10,757.44 = 4,813.80/x
  3. Step 3: Cross multiply
    7,804.44x = 10,757.44 × 4,813.80
  4. Step 4: Simplify right side
    7,804.44x = 51,784,164.67
  5. Step 5: Solve for x
    x = 51,784,164.67/7,804.44
  6. Step 6: Final answer
    x = 6,635.22

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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.