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Finding the Fourth Proportional to 26,641.36, 39,966.36 and 8,173.36

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Solution

The fourth proportional to 26,641.36, 39,966.36 and 8,173.36 is: 12,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.36 : 39,966.36 = 8,173.36 : x
  2. Step 2: Convert to fraction form
    26,641.36/39,966.36 = 8,173.36/x
  3. Step 3: Cross multiply
    26,641.36x = 39,966.36 × 8,173.36
  4. Step 4: Simplify right side
    26,641.36x = 326,659,448.17
  5. Step 5: Solve for x
    x = 326,659,448.17/26,641.36
  6. Step 6: Final answer
    x = 12,261.37

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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.