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Finding the Fourth Proportional to 61,901.82, 85,427.87 and 35,045.46

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Solution

The fourth proportional to 61,901.82, 85,427.87 and 35,045.46 is: 48,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,901.82 : 85,427.87 = 35,045.46 : x
  2. Step 2: Convert to fraction form
    61,901.82/85,427.87 = 35,045.46/x
  3. Step 3: Cross multiply
    61,901.82x = 85,427.87 × 35,045.46
  4. Step 4: Simplify right side
    61,901.82x = 2,993,858,825.74
  5. Step 5: Solve for x
    x = 2,993,858,825.74/61,901.82
  6. Step 6: Final answer
    x = 48,364.63

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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.