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Finding the Fourth Proportional to 25,960.89, 38,947.83 and 7,492.89

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Solution

The fourth proportional to 25,960.89, 38,947.83 and 7,492.89 is: 11,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.89 : 38,947.83 = 7,492.89 : x
  2. Step 2: Convert to fraction form
    25,960.89/38,947.83 = 7,492.89/x
  3. Step 3: Cross multiply
    25,960.89x = 38,947.83 × 7,492.89
  4. Step 4: Simplify right side
    25,960.89x = 291,831,805.93
  5. Step 5: Solve for x
    x = 291,831,805.93/25,960.89
  6. Step 6: Final answer
    x = 11,241.21

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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.