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Finding the Fourth Proportional to 61,964.73, 85,512.11 and 33,670.89

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Solution

The fourth proportional to 61,964.73, 85,512.11 and 33,670.89 is: 46,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.73 : 85,512.11 = 33,670.89 : x
  2. Step 2: Convert to fraction form
    61,964.73/85,512.11 = 33,670.89/x
  3. Step 3: Cross multiply
    61,964.73x = 85,512.11 × 33,670.89
  4. Step 4: Simplify right side
    61,964.73x = 2,879,268,681.12
  5. Step 5: Solve for x
    x = 2,879,268,681.12/61,964.73
  6. Step 6: Final answer
    x = 46,466.25

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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.