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Finding the Fourth Proportional to 7,797.99, 10,761.45 and 4,261.43

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Solution

The fourth proportional to 7,797.99, 10,761.45 and 4,261.43 is: 5,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.99 : 10,761.45 = 4,261.43 : x
  2. Step 2: Convert to fraction form
    7,797.99/10,761.45 = 4,261.43/x
  3. Step 3: Cross multiply
    7,797.99x = 10,761.45 × 4,261.43
  4. Step 4: Simplify right side
    7,797.99x = 45,859,112.07
  5. Step 5: Solve for x
    x = 45,859,112.07/7,797.99
  6. Step 6: Final answer
    x = 5,880.89

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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.