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Finding the Fourth Proportional to 54,641.59, 81,940.78 and 26,553.32

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Solution

The fourth proportional to 54,641.59, 81,940.78 and 26,553.32 is: 39,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.59 : 81,940.78 = 26,553.32 : x
  2. Step 2: Convert to fraction form
    54,641.59/81,940.78 = 26,553.32/x
  3. Step 3: Cross multiply
    54,641.59x = 81,940.78 × 26,553.32
  4. Step 4: Simplify right side
    54,641.59x = 2,175,799,683.16
  5. Step 5: Solve for x
    x = 2,175,799,683.16/54,641.59
  6. Step 6: Final answer
    x = 39,819.48

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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.