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Finding the Fourth Proportional to 4,965.79, 7,440.49 and 3,501.87

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Solution

The fourth proportional to 4,965.79, 7,440.49 and 3,501.87 is: 5,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.79 : 7,440.49 = 3,501.87 : x
  2. Step 2: Convert to fraction form
    4,965.79/7,440.49 = 3,501.87/x
  3. Step 3: Cross multiply
    4,965.79x = 7,440.49 × 3,501.87
  4. Step 4: Simplify right side
    4,965.79x = 26,055,628.72
  5. Step 5: Solve for x
    x = 26,055,628.72/4,965.79
  6. Step 6: Final answer
    x = 5,247.03

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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.