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Finding the Fourth Proportional to 6,980.16, 9,633.08 and 4,329.33

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Solution

The fourth proportional to 6,980.16, 9,633.08 and 4,329.33 is: 5,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.16 : 9,633.08 = 4,329.33 : x
  2. Step 2: Convert to fraction form
    6,980.16/9,633.08 = 4,329.33/x
  3. Step 3: Cross multiply
    6,980.16x = 9,633.08 × 4,329.33
  4. Step 4: Simplify right side
    6,980.16x = 41,704,760.59
  5. Step 5: Solve for x
    x = 41,704,760.59/6,980.16
  6. Step 6: Final answer
    x = 5,974.76

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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.