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Finding the Fourth Proportional to 26,596.41, 39,890.29 and 12,556.41

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Solution

The fourth proportional to 26,596.41, 39,890.29 and 12,556.41 is: 18,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,596.41 : 39,890.29 = 12,556.41 : x
  2. Step 2: Convert to fraction form
    26,596.41/39,890.29 = 12,556.41/x
  3. Step 3: Cross multiply
    26,596.41x = 39,890.29 × 12,556.41
  4. Step 4: Simplify right side
    26,596.41x = 500,878,836.26
  5. Step 5: Solve for x
    x = 500,878,836.26/26,596.41
  6. Step 6: Final answer
    x = 18,832.57

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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.