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Finding the Fourth Proportional to 6,833.36, 9,430.94 and 3,849.78

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Solution

The fourth proportional to 6,833.36, 9,430.94 and 3,849.78 is: 5,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,833.36 : 9,430.94 = 3,849.78 : x
  2. Step 2: Convert to fraction form
    6,833.36/9,430.94 = 3,849.78/x
  3. Step 3: Cross multiply
    6,833.36x = 9,430.94 × 3,849.78
  4. Step 4: Simplify right side
    6,833.36x = 36,307,024.94
  5. Step 5: Solve for x
    x = 36,307,024.94/6,833.36
  6. Step 6: Final answer
    x = 5,313.21

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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.