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Finding the Fourth Proportional to 7,797.39, 10,760.41 and 4,812.54

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Solution

The fourth proportional to 7,797.39, 10,760.41 and 4,812.54 is: 6,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.39 : 10,760.41 = 4,812.54 : x
  2. Step 2: Convert to fraction form
    7,797.39/10,760.41 = 4,812.54/x
  3. Step 3: Cross multiply
    7,797.39x = 10,760.41 × 4,812.54
  4. Step 4: Simplify right side
    7,797.39x = 51,784,903.54
  5. Step 5: Solve for x
    x = 51,784,903.54/7,797.39
  6. Step 6: Final answer
    x = 6,641.31

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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.