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Finding the Fourth Proportional to 14,511.00, 20,025.39 and 8,461.07

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Solution

The fourth proportional to 14,511.00, 20,025.39 and 8,461.07 is: 11,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.00 : 20,025.39 = 8,461.07 : x
  2. Step 2: Convert to fraction form
    14,511.00/20,025.39 = 8,461.07/x
  3. Step 3: Cross multiply
    14,511.00x = 20,025.39 × 8,461.07
  4. Step 4: Simplify right side
    14,511.00x = 169,436,289.59
  5. Step 5: Solve for x
    x = 169,436,289.59/14,511.00
  6. Step 6: Final answer
    x = 11,676.41

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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.