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Finding the Fourth Proportional to 25,903.20, 38,796.48 and 15,493.20

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Solution

The fourth proportional to 25,903.20, 38,796.48 and 15,493.20 is: 23,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.20 : 38,796.48 = 15,493.20 : x
  2. Step 2: Convert to fraction form
    25,903.20/38,796.48 = 15,493.20/x
  3. Step 3: Cross multiply
    25,903.20x = 38,796.48 × 15,493.20
  4. Step 4: Simplify right side
    25,903.20x = 601,081,623.94
  5. Step 5: Solve for x
    x = 601,081,623.94/25,903.20
  6. Step 6: Final answer
    x = 23,204.92

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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.