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Finding the Fourth Proportional to 23,189.60, 34,786.34 and 7,396.89

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Solution

The fourth proportional to 23,189.60, 34,786.34 and 7,396.89 is: 11,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.60 : 34,786.34 = 7,396.89 : x
  2. Step 2: Convert to fraction form
    23,189.60/34,786.34 = 7,396.89/x
  3. Step 3: Cross multiply
    23,189.60x = 34,786.34 × 7,396.89
  4. Step 4: Simplify right side
    23,189.60x = 257,310,693.50
  5. Step 5: Solve for x
    x = 257,310,693.50/23,189.60
  6. Step 6: Final answer
    x = 11,095.95

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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.