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Finding the Fourth Proportional to 38,992.94, 58,440.94 and 17,910.62

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Solution

The fourth proportional to 38,992.94, 58,440.94 and 17,910.62 is: 26,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.94 : 58,440.94 = 17,910.62 : x
  2. Step 2: Convert to fraction form
    38,992.94/58,440.94 = 17,910.62/x
  3. Step 3: Cross multiply
    38,992.94x = 58,440.94 × 17,910.62
  4. Step 4: Simplify right side
    38,992.94x = 1,046,713,468.78
  5. Step 5: Solve for x
    x = 1,046,713,468.78/38,992.94
  6. Step 6: Final answer
    x = 26,843.67

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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.