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Finding the Fourth Proportional to 26,927.94, 40,391.93 and 12,884.67

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Solution

The fourth proportional to 26,927.94, 40,391.93 and 12,884.67 is: 19,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.94 : 40,391.93 = 12,884.67 : x
  2. Step 2: Convert to fraction form
    26,927.94/40,391.93 = 12,884.67/x
  3. Step 3: Cross multiply
    26,927.94x = 40,391.93 × 12,884.67
  4. Step 4: Simplify right side
    26,927.94x = 520,436,720.92
  5. Step 5: Solve for x
    x = 520,436,720.92/26,927.94
  6. Step 6: Final answer
    x = 19,327.01

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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.