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Finding the Fourth Proportional to 61,703.22, 85,150.45 and 33,408.90

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Solution

The fourth proportional to 61,703.22, 85,150.45 and 33,408.90 is: 46,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.22 : 85,150.45 = 33,408.90 : x
  2. Step 2: Convert to fraction form
    61,703.22/85,150.45 = 33,408.90/x
  3. Step 3: Cross multiply
    61,703.22x = 85,150.45 × 33,408.90
  4. Step 4: Simplify right side
    61,703.22x = 2,844,782,869.01
  5. Step 5: Solve for x
    x = 2,844,782,869.01/61,703.22
  6. Step 6: Final answer
    x = 46,104.29

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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.