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Finding the Fourth Proportional to 61,662.18, 85,094.10 and 34,805.82

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Solution

The fourth proportional to 61,662.18, 85,094.10 and 34,805.82 is: 48,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.18 : 85,094.10 = 34,805.82 : x
  2. Step 2: Convert to fraction form
    61,662.18/85,094.10 = 34,805.82/x
  3. Step 3: Cross multiply
    61,662.18x = 85,094.10 × 34,805.82
  4. Step 4: Simplify right side
    61,662.18x = 2,961,769,927.66
  5. Step 5: Solve for x
    x = 2,961,769,927.66/61,662.18
  6. Step 6: Final answer
    x = 48,032.20

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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.