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Finding the Fourth Proportional to 10,751.52, 16,127.52 and 2,960.64

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Solution

The fourth proportional to 10,751.52, 16,127.52 and 2,960.64 is: 4,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.52 : 16,127.52 = 2,960.64 : x
  2. Step 2: Convert to fraction form
    10,751.52/16,127.52 = 2,960.64/x
  3. Step 3: Cross multiply
    10,751.52x = 16,127.52 × 2,960.64
  4. Step 4: Simplify right side
    10,751.52x = 47,747,780.81
  5. Step 5: Solve for x
    x = 47,747,780.81/10,751.52
  6. Step 6: Final answer
    x = 4,441.03

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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.