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Finding the Fourth Proportional to 14,884.41, 20,541.09 and 8,512.05

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Solution

The fourth proportional to 14,884.41, 20,541.09 and 8,512.05 is: 11,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.41 : 20,541.09 = 8,512.05 : x
  2. Step 2: Convert to fraction form
    14,884.41/20,541.09 = 8,512.05/x
  3. Step 3: Cross multiply
    14,884.41x = 20,541.09 × 8,512.05
  4. Step 4: Simplify right side
    14,884.41x = 174,846,785.13
  5. Step 5: Solve for x
    x = 174,846,785.13/14,884.41
  6. Step 6: Final answer
    x = 11,746.97

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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.