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Finding the Fourth Proportional to 61,252.98, 84,528.42 and 34,394.88

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Solution

The fourth proportional to 61,252.98, 84,528.42 and 34,394.88 is: 47,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,252.98 : 84,528.42 = 34,394.88 : x
  2. Step 2: Convert to fraction form
    61,252.98/84,528.42 = 34,394.88/x
  3. Step 3: Cross multiply
    61,252.98x = 84,528.42 × 34,394.88
  4. Step 4: Simplify right side
    61,252.98x = 2,907,344,862.49
  5. Step 5: Solve for x
    x = 2,907,344,862.49/61,252.98
  6. Step 6: Final answer
    x = 47,464.55

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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.