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Finding the Fourth Proportional to 57,692.01, 79,622.82 and 33,828.20

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Solution

The fourth proportional to 57,692.01, 79,622.82 and 33,828.20 is: 46,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.01 : 79,622.82 = 33,828.20 : x
  2. Step 2: Convert to fraction form
    57,692.01/79,622.82 = 33,828.20/x
  3. Step 3: Cross multiply
    57,692.01x = 79,622.82 × 33,828.20
  4. Step 4: Simplify right side
    57,692.01x = 2,693,496,281.41
  5. Step 5: Solve for x
    x = 2,693,496,281.41/57,692.01
  6. Step 6: Final answer
    x = 46,687.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.