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Finding the Fourth Proportional to 53,794.64, 80,692.32 and 18,734.96

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Solution

The fourth proportional to 53,794.64, 80,692.32 and 18,734.96 is: 28,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,794.64 : 80,692.32 = 18,734.96 : x
  2. Step 2: Convert to fraction form
    53,794.64/80,692.32 = 18,734.96/x
  3. Step 3: Cross multiply
    53,794.64x = 80,692.32 × 18,734.96
  4. Step 4: Simplify right side
    53,794.64x = 1,511,767,387.51
  5. Step 5: Solve for x
    x = 1,511,767,387.51/53,794.64
  6. Step 6: Final answer
    x = 28,102.57

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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.