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Finding the Fourth Proportional to 54,612.63, 81,813.99 and 33,491.08

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Solution

The fourth proportional to 54,612.63, 81,813.99 and 33,491.08 is: 50,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.63 : 81,813.99 = 33,491.08 : x
  2. Step 2: Convert to fraction form
    54,612.63/81,813.99 = 33,491.08/x
  3. Step 3: Cross multiply
    54,612.63x = 81,813.99 × 33,491.08
  4. Step 4: Simplify right side
    54,612.63x = 2,740,038,716.75
  5. Step 5: Solve for x
    x = 2,740,038,716.75/54,612.63
  6. Step 6: Final answer
    x = 50,172.25

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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.