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Finding the Fourth Proportional to 17,958.62, 26,933.60 and 7,957.86

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Solution

The fourth proportional to 17,958.62, 26,933.60 and 7,957.86 is: 11,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.62 : 26,933.60 = 7,957.86 : x
  2. Step 2: Convert to fraction form
    17,958.62/26,933.60 = 7,957.86/x
  3. Step 3: Cross multiply
    17,958.62x = 26,933.60 × 7,957.86
  4. Step 4: Simplify right side
    17,958.62x = 214,333,818.10
  5. Step 5: Solve for x
    x = 214,333,818.10/17,958.62
  6. Step 6: Final answer
    x = 11,934.87

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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.