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Finding the Fourth Proportional to 4,913.92, 7,373.76 and 3,525.76

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Solution

The fourth proportional to 4,913.92, 7,373.76 and 3,525.76 is: 5,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.92 : 7,373.76 = 3,525.76 : x
  2. Step 2: Convert to fraction form
    4,913.92/7,373.76 = 3,525.76/x
  3. Step 3: Cross multiply
    4,913.92x = 7,373.76 × 3,525.76
  4. Step 4: Simplify right side
    4,913.92x = 25,998,108.06
  5. Step 5: Solve for x
    x = 25,998,108.06/4,913.92
  6. Step 6: Final answer
    x = 5,290.71

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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.