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Finding the Fourth Proportional to 4,957.54, 6,841.50 and 2,719.28

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Solution

The fourth proportional to 4,957.54, 6,841.50 and 2,719.28 is: 3,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.54 : 6,841.50 = 2,719.28 : x
  2. Step 2: Convert to fraction form
    4,957.54/6,841.50 = 2,719.28/x
  3. Step 3: Cross multiply
    4,957.54x = 6,841.50 × 2,719.28
  4. Step 4: Simplify right side
    4,957.54x = 18,603,961.03
  5. Step 5: Solve for x
    x = 18,603,961.03/4,957.54
  6. Step 6: Final answer
    x = 3,752.66

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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.