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Finding the Fourth Proportional to 3,059.76, 4,589.62 and 751.26

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Solution

The fourth proportional to 3,059.76, 4,589.62 and 751.26 is: 1,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.76 : 4,589.62 = 751.26 : x
  2. Step 2: Convert to fraction form
    3,059.76/4,589.62 = 751.26/x
  3. Step 3: Cross multiply
    3,059.76x = 4,589.62 × 751.26
  4. Step 4: Simplify right side
    3,059.76x = 3,447,997.92
  5. Step 5: Solve for x
    x = 3,447,997.92/3,059.76
  6. Step 6: Final answer
    x = 1,126.89

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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.