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Finding the Fourth Proportional to 11,362.81, 17,017.79 and 10,968.62

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Solution

The fourth proportional to 11,362.81, 17,017.79 and 10,968.62 is: 16,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.81 : 17,017.79 = 10,968.62 : x
  2. Step 2: Convert to fraction form
    11,362.81/17,017.79 = 10,968.62/x
  3. Step 3: Cross multiply
    11,362.81x = 17,017.79 × 10,968.62
  4. Step 4: Simplify right side
    11,362.81x = 186,661,531.82
  5. Step 5: Solve for x
    x = 186,661,531.82/11,362.81
  6. Step 6: Final answer
    x = 16,427.41

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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.