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Finding the Fourth Proportional to 15,017.72, 22,532.88 and 6,692

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Solution

The fourth proportional to 15,017.72, 22,532.88 and 6,692 is: 10,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.72 : 22,532.88 = 6,692 : x
  2. Step 2: Convert to fraction form
    15,017.72/22,532.88 = 6,692/x
  3. Step 3: Cross multiply
    15,017.72x = 22,532.88 × 6,692
  4. Step 4: Simplify right side
    15,017.72x = 150,790,032.96
  5. Step 5: Solve for x
    x = 150,790,032.96/15,017.72
  6. Step 6: Final answer
    x = 10,040.81

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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.