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Finding the Fourth Proportional to 62,112, 93,182.58 and 20,559

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Solution

The fourth proportional to 62,112, 93,182.58 and 20,559 is: 30,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112 : 93,182.58 = 20,559 : x
  2. Step 2: Convert to fraction form
    62,112/93,182.58 = 20,559/x
  3. Step 3: Cross multiply
    62,112x = 93,182.58 × 20,559
  4. Step 4: Simplify right side
    62,112x = 1,915,740,662.22
  5. Step 5: Solve for x
    x = 1,915,740,662.22/62,112
  6. Step 6: Final answer
    x = 30,843.33

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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.