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Finding the Fourth Proportional to 56,863.90, 85,185.02 and 34,622.12

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Solution

The fourth proportional to 56,863.90, 85,185.02 and 34,622.12 is: 51,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.90 : 85,185.02 = 34,622.12 : x
  2. Step 2: Convert to fraction form
    56,863.90/85,185.02 = 34,622.12/x
  3. Step 3: Cross multiply
    56,863.90x = 85,185.02 × 34,622.12
  4. Step 4: Simplify right side
    56,863.90x = 2,949,285,984.64
  5. Step 5: Solve for x
    x = 2,949,285,984.64/56,863.90
  6. Step 6: Final answer
    x = 51,865.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.