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Finding the Fourth Proportional to 7,957.69, 11,933.63 and 2,409.29

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Solution

The fourth proportional to 7,957.69, 11,933.63 and 2,409.29 is: 3,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.69 : 11,933.63 = 2,409.29 : x
  2. Step 2: Convert to fraction form
    7,957.69/11,933.63 = 2,409.29/x
  3. Step 3: Cross multiply
    7,957.69x = 11,933.63 × 2,409.29
  4. Step 4: Simplify right side
    7,957.69x = 28,751,624.62
  5. Step 5: Solve for x
    x = 28,751,624.62/7,957.69
  6. Step 6: Final answer
    x = 3,613.06

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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.