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Finding the Fourth Proportional to 62,652.48, 93,978.24 and 15,905.76

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Solution

The fourth proportional to 62,652.48, 93,978.24 and 15,905.76 is: 23,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,652.48 : 93,978.24 = 15,905.76 : x
  2. Step 2: Convert to fraction form
    62,652.48/93,978.24 = 15,905.76/x
  3. Step 3: Cross multiply
    62,652.48x = 93,978.24 × 15,905.76
  4. Step 4: Simplify right side
    62,652.48x = 1,494,795,330.66
  5. Step 5: Solve for x
    x = 1,494,795,330.66/62,652.48
  6. Step 6: Final answer
    x = 23,858.52

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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.