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Finding the Fourth Proportional to 6,806.05, 9,392.07 and 3,973.57

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Solution

The fourth proportional to 6,806.05, 9,392.07 and 3,973.57 is: 5,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.05 : 9,392.07 = 3,973.57 : x
  2. Step 2: Convert to fraction form
    6,806.05/9,392.07 = 3,973.57/x
  3. Step 3: Cross multiply
    6,806.05x = 9,392.07 × 3,973.57
  4. Step 4: Simplify right side
    6,806.05x = 37,320,047.59
  5. Step 5: Solve for x
    x = 37,320,047.59/6,806.05
  6. Step 6: Final answer
    x = 5,483.36

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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.