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Finding the Fourth Proportional to 6,768.94, 10,139.22 and 4,302.48

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Solution

The fourth proportional to 6,768.94, 10,139.22 and 4,302.48 is: 6,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.94 : 10,139.22 = 4,302.48 : x
  2. Step 2: Convert to fraction form
    6,768.94/10,139.22 = 4,302.48/x
  3. Step 3: Cross multiply
    6,768.94x = 10,139.22 × 4,302.48
  4. Step 4: Simplify right side
    6,768.94x = 43,623,791.27
  5. Step 5: Solve for x
    x = 43,623,791.27/6,768.94
  6. Step 6: Final answer
    x = 6,444.70

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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.