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Finding the Fourth Proportional to 4,957.92, 6,841.92 and 2,719.80

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Solution

The fourth proportional to 4,957.92, 6,841.92 and 2,719.80 is: 3,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.92 : 6,841.92 = 2,719.80 : x
  2. Step 2: Convert to fraction form
    4,957.92/6,841.92 = 2,719.80/x
  3. Step 3: Cross multiply
    4,957.92x = 6,841.92 × 2,719.80
  4. Step 4: Simplify right side
    4,957.92x = 18,608,654.02
  5. Step 5: Solve for x
    x = 18,608,654.02/4,957.92
  6. Step 6: Final answer
    x = 3,753.32

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1.5x scale

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.