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Finding the Fourth Proportional to 61,961.15, 85,506.60 and 35,108.63

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Solution

The fourth proportional to 61,961.15, 85,506.60 and 35,108.63 is: 48,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961.15 : 85,506.60 = 35,108.63 : x
  2. Step 2: Convert to fraction form
    61,961.15/85,506.60 = 35,108.63/x
  3. Step 3: Cross multiply
    61,961.15x = 85,506.60 × 35,108.63
  4. Step 4: Simplify right side
    61,961.15x = 3,002,019,581.96
  5. Step 5: Solve for x
    x = 3,002,019,581.96/61,961.15
  6. Step 6: Final answer
    x = 48,450.03

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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.