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Finding the Fourth Proportional to 61,927.64, 85,459.65 and 33,633.32

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Solution

The fourth proportional to 61,927.64, 85,459.65 and 33,633.32 is: 46,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.64 : 85,459.65 = 33,633.32 : x
  2. Step 2: Convert to fraction form
    61,927.64/85,459.65 = 33,633.32/x
  3. Step 3: Cross multiply
    61,927.64x = 85,459.65 × 33,633.32
  4. Step 4: Simplify right side
    61,927.64x = 2,874,291,755.54
  5. Step 5: Solve for x
    x = 2,874,291,755.54/61,927.64
  6. Step 6: Final answer
    x = 46,413.72

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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.