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Finding the Fourth Proportional to 18,636.93, 27,960.26 and 6,950.25

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Solution

The fourth proportional to 18,636.93, 27,960.26 and 6,950.25 is: 10,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.93 : 27,960.26 = 6,950.25 : x
  2. Step 2: Convert to fraction form
    18,636.93/27,960.26 = 6,950.25/x
  3. Step 3: Cross multiply
    18,636.93x = 27,960.26 × 6,950.25
  4. Step 4: Simplify right side
    18,636.93x = 194,330,762.31
  5. Step 5: Solve for x
    x = 194,330,762.31/18,636.93
  6. Step 6: Final answer
    x = 10,427.19

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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.