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Finding the Fourth Proportional to 62,964.90, 94,556.70 and 33,440.40

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Solution

The fourth proportional to 62,964.90, 94,556.70 and 33,440.40 is: 50,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964.90 : 94,556.70 = 33,440.40 : x
  2. Step 2: Convert to fraction form
    62,964.90/94,556.70 = 33,440.40/x
  3. Step 3: Cross multiply
    62,964.90x = 94,556.70 × 33,440.40
  4. Step 4: Simplify right side
    62,964.90x = 3,162,013,870.68
  5. Step 5: Solve for x
    x = 3,162,013,870.68/62,964.90
  6. Step 6: Final answer
    x = 50,218.68

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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.