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Finding the Fourth Proportional to 61,961.65, 85,507.29 and 35,109.13

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Solution

The fourth proportional to 61,961.65, 85,507.29 and 35,109.13 is: 48,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961.65 : 85,507.29 = 35,109.13 : x
  2. Step 2: Convert to fraction form
    61,961.65/85,507.29 = 35,109.13/x
  3. Step 3: Cross multiply
    61,961.65x = 85,507.29 × 35,109.13
  4. Step 4: Simplify right side
    61,961.65x = 3,002,086,560.56
  5. Step 5: Solve for x
    x = 3,002,086,560.56/61,961.65
  6. Step 6: Final answer
    x = 48,450.72

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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.