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Finding the Fourth Proportional to 26,797.86, 36,981.27 and 14,861.97

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Solution

The fourth proportional to 26,797.86, 36,981.27 and 14,861.97 is: 20,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.86 : 36,981.27 = 14,861.97 : x
  2. Step 2: Convert to fraction form
    26,797.86/36,981.27 = 14,861.97/x
  3. Step 3: Cross multiply
    26,797.86x = 36,981.27 × 14,861.97
  4. Step 4: Simplify right side
    26,797.86x = 549,614,525.30
  5. Step 5: Solve for x
    x = 549,614,525.30/26,797.86
  6. Step 6: Final answer
    x = 20,509.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.