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Finding the Fourth Proportional to 6,759.84, 10,130.88 and 4,164.48

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Solution

The fourth proportional to 6,759.84, 10,130.88 and 4,164.48 is: 6,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.84 : 10,130.88 = 4,164.48 : x
  2. Step 2: Convert to fraction form
    6,759.84/10,130.88 = 4,164.48/x
  3. Step 3: Cross multiply
    6,759.84x = 10,130.88 × 4,164.48
  4. Step 4: Simplify right side
    6,759.84x = 42,189,847.14
  5. Step 5: Solve for x
    x = 42,189,847.14/6,759.84
  6. Step 6: Final answer
    x = 6,241.25

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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.