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Finding the Fourth Proportional to 26,594.55, 39,889.58 and 8,126.55

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Solution

The fourth proportional to 26,594.55, 39,889.58 and 8,126.55 is: 12,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,594.55 : 39,889.58 = 8,126.55 : x
  2. Step 2: Convert to fraction form
    26,594.55/39,889.58 = 8,126.55/x
  3. Step 3: Cross multiply
    26,594.55x = 39,889.58 × 8,126.55
  4. Step 4: Simplify right side
    26,594.55x = 324,164,625.72
  5. Step 5: Solve for x
    x = 324,164,625.72/26,594.55
  6. Step 6: Final answer
    x = 12,189.14

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Similar ratio
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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.