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Finding the Fourth Proportional to 6,908.55, 9,533.71 and 3,764.74

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Solution

The fourth proportional to 6,908.55, 9,533.71 and 3,764.74 is: 5,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.55 : 9,533.71 = 3,764.74 : x
  2. Step 2: Convert to fraction form
    6,908.55/9,533.71 = 3,764.74/x
  3. Step 3: Cross multiply
    6,908.55x = 9,533.71 × 3,764.74
  4. Step 4: Simplify right side
    6,908.55x = 35,891,939.39
  5. Step 5: Solve for x
    x = 35,891,939.39/6,908.55
  6. Step 6: Final answer
    x = 5,195.29

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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.