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Finding the Fourth Proportional to 5,133.92, 7,084.84 and 2,895.84

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Solution

The fourth proportional to 5,133.92, 7,084.84 and 2,895.84 is: 3,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.92 : 7,084.84 = 2,895.84 : x
  2. Step 2: Convert to fraction form
    5,133.92/7,084.84 = 2,895.84/x
  3. Step 3: Cross multiply
    5,133.92x = 7,084.84 × 2,895.84
  4. Step 4: Simplify right side
    5,133.92x = 20,516,563.07
  5. Step 5: Solve for x
    x = 20,516,563.07/5,133.92
  6. Step 6: Final answer
    x = 3,996.28

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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.