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Finding the Fourth Proportional to 14,794.85, 20,416.84 and 8,826.77

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Solution

The fourth proportional to 14,794.85, 20,416.84 and 8,826.77 is: 12,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.85 : 20,416.84 = 8,826.77 : x
  2. Step 2: Convert to fraction form
    14,794.85/20,416.84 = 8,826.77/x
  3. Step 3: Cross multiply
    14,794.85x = 20,416.84 × 8,826.77
  4. Step 4: Simplify right side
    14,794.85x = 180,214,626.66
  5. Step 5: Solve for x
    x = 180,214,626.66/14,794.85
  6. Step 6: Final answer
    x = 12,180.91

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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.