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Finding the Fourth Proportional to 61,883.96, 85,400.87 and 33,589.58

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Solution

The fourth proportional to 61,883.96, 85,400.87 and 33,589.58 is: 46,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.96 : 85,400.87 = 33,589.58 : x
  2. Step 2: Convert to fraction form
    61,883.96/85,400.87 = 33,589.58/x
  3. Step 3: Cross multiply
    61,883.96x = 85,400.87 × 33,589.58
  4. Step 4: Simplify right side
    61,883.96x = 2,868,578,759.98
  5. Step 5: Solve for x
    x = 2,868,578,759.98/61,883.96
  6. Step 6: Final answer
    x = 46,354.16

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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.