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Finding the Fourth Proportional to 61,692.55, 85,135.74 and 33,398.24

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Solution

The fourth proportional to 61,692.55, 85,135.74 and 33,398.24 is: 46,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.55 : 85,135.74 = 33,398.24 : x
  2. Step 2: Convert to fraction form
    61,692.55/85,135.74 = 33,398.24/x
  3. Step 3: Cross multiply
    61,692.55x = 85,135.74 × 33,398.24
  4. Step 4: Simplify right side
    61,692.55x = 2,843,383,877.10
  5. Step 5: Solve for x
    x = 2,843,383,877.10/61,692.55
  6. Step 6: Final answer
    x = 46,089.58

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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.