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Finding the Fourth Proportional to 61,997, 85,555.66 and 33,702.49

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Solution

The fourth proportional to 61,997, 85,555.66 and 33,702.49 is: 46,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997 : 85,555.66 = 33,702.49 : x
  2. Step 2: Convert to fraction form
    61,997/85,555.66 = 33,702.49/x
  3. Step 3: Cross multiply
    61,997x = 85,555.66 × 33,702.49
  4. Step 4: Simplify right side
    61,997x = 2,883,438,179.30
  5. Step 5: Solve for x
    x = 2,883,438,179.30/61,997
  6. Step 6: Final answer
    x = 46,509.32

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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.