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Finding the Fourth Proportional to 62,310.70, 93,405.30 and 35,629.30

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Solution

The fourth proportional to 62,310.70, 93,405.30 and 35,629.30 is: 53,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,310.70 : 93,405.30 = 35,629.30 : x
  2. Step 2: Convert to fraction form
    62,310.70/93,405.30 = 35,629.30/x
  3. Step 3: Cross multiply
    62,310.70x = 93,405.30 × 35,629.30
  4. Step 4: Simplify right side
    62,310.70x = 3,327,965,455.29
  5. Step 5: Solve for x
    x = 3,327,965,455.29/62,310.70
  6. Step 6: Final answer
    x = 53,409.21

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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.