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Finding the Fourth Proportional to 4,107.84, 6,157.28 and 2,569.28

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Solution

The fourth proportional to 4,107.84, 6,157.28 and 2,569.28 is: 3,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.84 : 6,157.28 = 2,569.28 : x
  2. Step 2: Convert to fraction form
    4,107.84/6,157.28 = 2,569.28/x
  3. Step 3: Cross multiply
    4,107.84x = 6,157.28 × 2,569.28
  4. Step 4: Simplify right side
    4,107.84x = 15,819,776.36
  5. Step 5: Solve for x
    x = 15,819,776.36/4,107.84
  6. Step 6: Final answer
    x = 3,851.12

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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.