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Finding the Fourth Proportional to 61,903.31, 85,431.85 and 35,050.55

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Solution

The fourth proportional to 61,903.31, 85,431.85 and 35,050.55 is: 48,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.31 : 85,431.85 = 35,050.55 : x
  2. Step 2: Convert to fraction form
    61,903.31/85,431.85 = 35,050.55/x
  3. Step 3: Cross multiply
    61,903.31x = 85,431.85 × 35,050.55
  4. Step 4: Simplify right side
    61,903.31x = 2,994,432,815.23
  5. Step 5: Solve for x
    x = 2,994,432,815.23/61,903.31
  6. Step 6: Final answer
    x = 48,372.75

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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.