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Finding the Fourth Proportional to 61,364.12, 84,683.63 and 35,872.66

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Solution

The fourth proportional to 61,364.12, 84,683.63 and 35,872.66 is: 49,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,364.12 : 84,683.63 = 35,872.66 : x
  2. Step 2: Convert to fraction form
    61,364.12/84,683.63 = 35,872.66/x
  3. Step 3: Cross multiply
    61,364.12x = 84,683.63 × 35,872.66
  4. Step 4: Simplify right side
    61,364.12x = 3,037,826,583.96
  5. Step 5: Solve for x
    x = 3,037,826,583.96/61,364.12
  6. Step 6: Final answer
    x = 49,504.94

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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.