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Finding the Fourth Proportional to 62,509.75, 93,732.73 and 20,362.73

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Solution

The fourth proportional to 62,509.75, 93,732.73 and 20,362.73 is: 30,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,509.75 : 93,732.73 = 20,362.73 : x
  2. Step 2: Convert to fraction form
    62,509.75/93,732.73 = 20,362.73/x
  3. Step 3: Cross multiply
    62,509.75x = 93,732.73 × 20,362.73
  4. Step 4: Simplify right side
    62,509.75x = 1,908,653,753.58
  5. Step 5: Solve for x
    x = 1,908,653,753.58/62,509.75
  6. Step 6: Final answer
    x = 30,533.70

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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.