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Finding the Fourth Proportional to 26,971.99, 40,462.84 and 8,251.67

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Solution

The fourth proportional to 26,971.99, 40,462.84 and 8,251.67 is: 12,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.99 : 40,462.84 = 8,251.67 : x
  2. Step 2: Convert to fraction form
    26,971.99/40,462.84 = 8,251.67/x
  3. Step 3: Cross multiply
    26,971.99x = 40,462.84 × 8,251.67
  4. Step 4: Simplify right side
    26,971.99x = 333,886,114.41
  5. Step 5: Solve for x
    x = 333,886,114.41/26,971.99
  6. Step 6: Final answer
    x = 12,379.00

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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.