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Finding the Fourth Proportional to 15,970.99, 23,961.11 and 6,609.28

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Solution

The fourth proportional to 15,970.99, 23,961.11 and 6,609.28 is: 9,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.99 : 23,961.11 = 6,609.28 : x
  2. Step 2: Convert to fraction form
    15,970.99/23,961.11 = 6,609.28/x
  3. Step 3: Cross multiply
    15,970.99x = 23,961.11 × 6,609.28
  4. Step 4: Simplify right side
    15,970.99x = 158,365,685.10
  5. Step 5: Solve for x
    x = 158,365,685.10/15,970.99
  6. Step 6: Final answer
    x = 9,915.83

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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.