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Finding the Fourth Proportional to 62,187.64, 85,818.90 and 33,893.32

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Solution

The fourth proportional to 62,187.64, 85,818.90 and 33,893.32 is: 46,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.64 : 85,818.90 = 33,893.32 : x
  2. Step 2: Convert to fraction form
    62,187.64/85,818.90 = 33,893.32/x
  3. Step 3: Cross multiply
    62,187.64x = 85,818.90 × 33,893.32
  4. Step 4: Simplify right side
    62,187.64x = 2,908,687,439.75
  5. Step 5: Solve for x
    x = 2,908,687,439.75/62,187.64
  6. Step 6: Final answer
    x = 46,772.76

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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.