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Finding the Fourth Proportional to 61,605.87, 85,016.58 and 34,011.39

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Solution

The fourth proportional to 61,605.87, 85,016.58 and 34,011.39 is: 46,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,605.87 : 85,016.58 = 34,011.39 : x
  2. Step 2: Convert to fraction form
    61,605.87/85,016.58 = 34,011.39/x
  3. Step 3: Cross multiply
    61,605.87x = 85,016.58 × 34,011.39
  4. Step 4: Simplify right side
    61,605.87x = 2,891,532,058.85
  5. Step 5: Solve for x
    x = 2,891,532,058.85/61,605.87
  6. Step 6: Final answer
    x = 46,935.98

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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.