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Finding the Fourth Proportional to 54,692.25, 82,038.39 and 17,756.25

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Solution

The fourth proportional to 54,692.25, 82,038.39 and 17,756.25 is: 26,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,692.25 : 82,038.39 = 17,756.25 : x
  2. Step 2: Convert to fraction form
    54,692.25/82,038.39 = 17,756.25/x
  3. Step 3: Cross multiply
    54,692.25x = 82,038.39 × 17,756.25
  4. Step 4: Simplify right side
    54,692.25x = 1,456,694,162.44
  5. Step 5: Solve for x
    x = 1,456,694,162.44/54,692.25
  6. Step 6: Final answer
    x = 26,634.38

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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.