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Finding the Fourth Proportional to 10,751.76, 16,125.82 and 2,958.75

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Solution

The fourth proportional to 10,751.76, 16,125.82 and 2,958.75 is: 4,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.76 : 16,125.82 = 2,958.75 : x
  2. Step 2: Convert to fraction form
    10,751.76/16,125.82 = 2,958.75/x
  3. Step 3: Cross multiply
    10,751.76x = 16,125.82 × 2,958.75
  4. Step 4: Simplify right side
    10,751.76x = 47,712,262.53
  5. Step 5: Solve for x
    x = 47,712,262.53/10,751.76
  6. Step 6: Final answer
    x = 4,437.62

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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.