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Finding the Fourth Proportional to 17,295.05, 25,938.48 and 7,929.25

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Solution

The fourth proportional to 17,295.05, 25,938.48 and 7,929.25 is: 11,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,295.05 : 25,938.48 = 7,929.25 : x
  2. Step 2: Convert to fraction form
    17,295.05/25,938.48 = 7,929.25/x
  3. Step 3: Cross multiply
    17,295.05x = 25,938.48 × 7,929.25
  4. Step 4: Simplify right side
    17,295.05x = 205,672,692.54
  5. Step 5: Solve for x
    x = 205,672,692.54/17,295.05
  6. Step 6: Final answer
    x = 11,892.00

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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.