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Finding the Fourth Proportional to 25,968, 38,969.28 and 9,552

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Solution

The fourth proportional to 25,968, 38,969.28 and 9,552 is: 14,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968 : 38,969.28 = 9,552 : x
  2. Step 2: Convert to fraction form
    25,968/38,969.28 = 9,552/x
  3. Step 3: Cross multiply
    25,968x = 38,969.28 × 9,552
  4. Step 4: Simplify right side
    25,968x = 372,234,562.56
  5. Step 5: Solve for x
    x = 372,234,562.56/25,968
  6. Step 6: Final answer
    x = 14,334.36

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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.