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Finding the Fourth Proportional to 3,752.76, 5,178.80 and 2,096.76

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Solution

The fourth proportional to 3,752.76, 5,178.80 and 2,096.76 is: 2,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.76 : 5,178.80 = 2,096.76 : x
  2. Step 2: Convert to fraction form
    3,752.76/5,178.80 = 2,096.76/x
  3. Step 3: Cross multiply
    3,752.76x = 5,178.80 × 2,096.76
  4. Step 4: Simplify right side
    3,752.76x = 10,858,700.69
  5. Step 5: Solve for x
    x = 10,858,700.69/3,752.76
  6. Step 6: Final answer
    x = 2,893.52

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Half scale
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Double scale
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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.