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Finding the Fourth Proportional to 13,636.02, 18,825.02 and 9,183.34

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Solution

The fourth proportional to 13,636.02, 18,825.02 and 9,183.34 is: 12,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.02 : 18,825.02 = 9,183.34 : x
  2. Step 2: Convert to fraction form
    13,636.02/18,825.02 = 9,183.34/x
  3. Step 3: Cross multiply
    13,636.02x = 18,825.02 × 9,183.34
  4. Step 4: Simplify right side
    13,636.02x = 172,876,559.17
  5. Step 5: Solve for x
    x = 172,876,559.17/13,636.02
  6. Step 6: Final answer
    x = 12,677.93

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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.