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Finding the Fourth Proportional to 26,927.20, 40,388.88 and 8,464.48

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Solution

The fourth proportional to 26,927.20, 40,388.88 and 8,464.48 is: 12,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.20 : 40,388.88 = 8,464.48 : x
  2. Step 2: Convert to fraction form
    26,927.20/40,388.88 = 8,464.48/x
  3. Step 3: Cross multiply
    26,927.20x = 40,388.88 × 8,464.48
  4. Step 4: Simplify right side
    26,927.20x = 341,870,866.98
  5. Step 5: Solve for x
    x = 341,870,866.98/26,927.20
  6. Step 6: Final answer
    x = 12,696.12

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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.