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Finding the Fourth Proportional to 6,750.71, 9,315.95 and 3,766.36

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Solution

The fourth proportional to 6,750.71, 9,315.95 and 3,766.36 is: 5,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.71 : 9,315.95 = 3,766.36 : x
  2. Step 2: Convert to fraction form
    6,750.71/9,315.95 = 3,766.36/x
  3. Step 3: Cross multiply
    6,750.71x = 9,315.95 × 3,766.36
  4. Step 4: Simplify right side
    6,750.71x = 35,087,179.32
  5. Step 5: Solve for x
    x = 35,087,179.32/6,750.71
  6. Step 6: Final answer
    x = 5,197.56

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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.