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Finding the Fourth Proportional to 7,957.76, 11,936.64 and 2,411.12

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Solution

The fourth proportional to 7,957.76, 11,936.64 and 2,411.12 is: 3,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.76 : 11,936.64 = 2,411.12 : x
  2. Step 2: Convert to fraction form
    7,957.76/11,936.64 = 2,411.12/x
  3. Step 3: Cross multiply
    7,957.76x = 11,936.64 × 2,411.12
  4. Step 4: Simplify right side
    7,957.76x = 28,780,671.44
  5. Step 5: Solve for x
    x = 28,780,671.44/7,957.76
  6. Step 6: Final answer
    x = 3,616.68

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Similar ratio
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1.5x scale

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.