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Finding the Fourth Proportional to 27,376.80, 41,059.80 and 13,336.80

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Solution

The fourth proportional to 27,376.80, 41,059.80 and 13,336.80 is: 20,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.80 : 41,059.80 = 13,336.80 : x
  2. Step 2: Convert to fraction form
    27,376.80/41,059.80 = 13,336.80/x
  3. Step 3: Cross multiply
    27,376.80x = 41,059.80 × 13,336.80
  4. Step 4: Simplify right side
    27,376.80x = 547,606,340.64
  5. Step 5: Solve for x
    x = 547,606,340.64/27,376.80
  6. Step 6: Final answer
    x = 20,002.57

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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.