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Finding the Fourth Proportional to 62,012.87, 93,019.80 and 19,893.00

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Solution

The fourth proportional to 62,012.87, 93,019.80 and 19,893.00 is: 29,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,012.87 : 93,019.80 = 19,893.00 : x
  2. Step 2: Convert to fraction form
    62,012.87/93,019.80 = 19,893.00/x
  3. Step 3: Cross multiply
    62,012.87x = 93,019.80 × 19,893.00
  4. Step 4: Simplify right side
    62,012.87x = 1,850,443,304.82
  5. Step 5: Solve for x
    x = 1,850,443,304.82/62,012.87
  6. Step 6: Final answer
    x = 29,839.67

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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.