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Finding the Fourth Proportional to 62,135.48, 93,218 and 20,019.54

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Solution

The fourth proportional to 62,135.48, 93,218 and 20,019.54 is: 30,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,135.48 : 93,218 = 20,019.54 : x
  2. Step 2: Convert to fraction form
    62,135.48/93,218 = 20,019.54/x
  3. Step 3: Cross multiply
    62,135.48x = 93,218 × 20,019.54
  4. Step 4: Simplify right side
    62,135.48x = 1,866,181,479.72
  5. Step 5: Solve for x
    x = 1,866,181,479.72/62,135.48
  6. Step 6: Final answer
    x = 30,034.07

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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.