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Finding the Fourth Proportional to 14,932.76, 20,606.01 and 8,645.54

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Solution

The fourth proportional to 14,932.76, 20,606.01 and 8,645.54 is: 11,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.76 : 20,606.01 = 8,645.54 : x
  2. Step 2: Convert to fraction form
    14,932.76/20,606.01 = 8,645.54/x
  3. Step 3: Cross multiply
    14,932.76x = 20,606.01 × 8,645.54
  4. Step 4: Simplify right side
    14,932.76x = 178,150,083.70
  5. Step 5: Solve for x
    x = 178,150,083.70/14,932.76
  6. Step 6: Final answer
    x = 11,930.15

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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.