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Finding the Fourth Proportional to 61,677.44, 85,114.40 and 34,828.64

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Solution

The fourth proportional to 61,677.44, 85,114.40 and 34,828.64 is: 48,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.44 : 85,114.40 = 34,828.64 : x
  2. Step 2: Convert to fraction form
    61,677.44/85,114.40 = 34,828.64/x
  3. Step 3: Cross multiply
    61,677.44x = 85,114.40 × 34,828.64
  4. Step 4: Simplify right side
    61,677.44x = 2,964,418,796.42
  5. Step 5: Solve for x
    x = 2,964,418,796.42/61,677.44
  6. Step 6: Final answer
    x = 48,063.26

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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.