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Finding the Fourth Proportional to 54,014.69, 80,905.39 and 52,692.77

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Solution

The fourth proportional to 54,014.69, 80,905.39 and 52,692.77 is: 78,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.69 : 80,905.39 = 52,692.77 : x
  2. Step 2: Convert to fraction form
    54,014.69/80,905.39 = 52,692.77/x
  3. Step 3: Cross multiply
    54,014.69x = 80,905.39 × 52,692.77
  4. Step 4: Simplify right side
    54,014.69x = 4,263,129,107.03
  5. Step 5: Solve for x
    x = 4,263,129,107.03/54,014.69
  6. Step 6: Final answer
    x = 78,925.36

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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.