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Finding the Fourth Proportional to 65,355.73, 98,021.14 and 25,374.74

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Solution

The fourth proportional to 65,355.73, 98,021.14 and 25,374.74 is: 38,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,355.73 : 98,021.14 = 25,374.74 : x
  2. Step 2: Convert to fraction form
    65,355.73/98,021.14 = 25,374.74/x
  3. Step 3: Cross multiply
    65,355.73x = 98,021.14 × 25,374.74
  4. Step 4: Simplify right side
    65,355.73x = 2,487,260,388.46
  5. Step 5: Solve for x
    x = 2,487,260,388.46/65,355.73
  6. Step 6: Final answer
    x = 38,057.27

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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.