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Finding the Fourth Proportional to 11,683.58, 17,525.37 and 2,918.48

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Solution

The fourth proportional to 11,683.58, 17,525.37 and 2,918.48 is: 4,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.58 : 17,525.37 = 2,918.48 : x
  2. Step 2: Convert to fraction form
    11,683.58/17,525.37 = 2,918.48/x
  3. Step 3: Cross multiply
    11,683.58x = 17,525.37 × 2,918.48
  4. Step 4: Simplify right side
    11,683.58x = 51,147,354.21
  5. Step 5: Solve for x
    x = 51,147,354.21/11,683.58
  6. Step 6: Final answer
    x = 4,377.71

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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.