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Finding the Fourth Proportional to 15,323.84, 22,985.52 and 8,735.96

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Solution

The fourth proportional to 15,323.84, 22,985.52 and 8,735.96 is: 13,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.84 : 22,985.52 = 8,735.96 : x
  2. Step 2: Convert to fraction form
    15,323.84/22,985.52 = 8,735.96/x
  3. Step 3: Cross multiply
    15,323.84x = 22,985.52 × 8,735.96
  4. Step 4: Simplify right side
    15,323.84x = 200,800,583.30
  5. Step 5: Solve for x
    x = 200,800,583.30/15,323.84
  6. Step 6: Final answer
    x = 13,103.80

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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.