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Finding the Fourth Proportional to 13,460.73, 20,201.64 and 9,329.73

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Solution

The fourth proportional to 13,460.73, 20,201.64 and 9,329.73 is: 14,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.73 : 20,201.64 = 9,329.73 : x
  2. Step 2: Convert to fraction form
    13,460.73/20,201.64 = 9,329.73/x
  3. Step 3: Cross multiply
    13,460.73x = 20,201.64 × 9,329.73
  4. Step 4: Simplify right side
    13,460.73x = 188,475,846.76
  5. Step 5: Solve for x
    x = 188,475,846.76/13,460.73
  6. Step 6: Final answer
    x = 14,001.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.