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Finding the Fourth Proportional to 7,953.79, 11,930.69 and 3,022.26

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Solution

The fourth proportional to 7,953.79, 11,930.69 and 3,022.26 is: 4,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.79 : 11,930.69 = 3,022.26 : x
  2. Step 2: Convert to fraction form
    7,953.79/11,930.69 = 3,022.26/x
  3. Step 3: Cross multiply
    7,953.79x = 11,930.69 × 3,022.26
  4. Step 4: Simplify right side
    7,953.79x = 36,057,647.16
  5. Step 5: Solve for x
    x = 36,057,647.16/7,953.79
  6. Step 6: Final answer
    x = 4,533.39

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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.