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Finding the Fourth Proportional to 7,065.91, 10,597.80 and 3,943.97

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Solution

The fourth proportional to 7,065.91, 10,597.80 and 3,943.97 is: 5,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.91 : 10,597.80 = 3,943.97 : x
  2. Step 2: Convert to fraction form
    7,065.91/10,597.80 = 3,943.97/x
  3. Step 3: Cross multiply
    7,065.91x = 10,597.80 × 3,943.97
  4. Step 4: Simplify right side
    7,065.91x = 41,797,405.27
  5. Step 5: Solve for x
    x = 41,797,405.27/7,065.91
  6. Step 6: Final answer
    x = 5,915.36

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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.