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Finding the Fourth Proportional to 5,750.79, 7,935.81 and 3,516.41

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Solution

The fourth proportional to 5,750.79, 7,935.81 and 3,516.41 is: 4,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.79 : 7,935.81 = 3,516.41 : x
  2. Step 2: Convert to fraction form
    5,750.79/7,935.81 = 3,516.41/x
  3. Step 3: Cross multiply
    5,750.79x = 7,935.81 × 3,516.41
  4. Step 4: Simplify right side
    5,750.79x = 27,905,521.96
  5. Step 5: Solve for x
    x = 27,905,521.96/5,750.79
  6. Step 6: Final answer
    x = 4,852.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.