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Finding the Fourth Proportional to 62,650.24, 93,978.53 and 18,280.33

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Solution

The fourth proportional to 62,650.24, 93,978.53 and 18,280.33 is: 27,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,650.24 : 93,978.53 = 18,280.33 : x
  2. Step 2: Convert to fraction form
    62,650.24/93,978.53 = 18,280.33/x
  3. Step 3: Cross multiply
    62,650.24x = 93,978.53 × 18,280.33
  4. Step 4: Simplify right side
    62,650.24x = 1,717,958,541.31
  5. Step 5: Solve for x
    x = 1,717,958,541.31/62,650.24
  6. Step 6: Final answer
    x = 27,421.42

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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.