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Finding the Fourth Proportional to 14,815.37, 20,446.64 and 8,846.99

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Solution

The fourth proportional to 14,815.37, 20,446.64 and 8,846.99 is: 12,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.37 : 20,446.64 = 8,846.99 : x
  2. Step 2: Convert to fraction form
    14,815.37/20,446.64 = 8,846.99/x
  3. Step 3: Cross multiply
    14,815.37x = 20,446.64 × 8,846.99
  4. Step 4: Simplify right side
    14,815.37x = 180,891,219.61
  5. Step 5: Solve for x
    x = 180,891,219.61/14,815.37
  6. Step 6: Final answer
    x = 12,209.70

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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.