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Finding the Fourth Proportional to 5,010.76, 6,914.85 and 2,772.73

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Solution

The fourth proportional to 5,010.76, 6,914.85 and 2,772.73 is: 3,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.76 : 6,914.85 = 2,772.73 : x
  2. Step 2: Convert to fraction form
    5,010.76/6,914.85 = 2,772.73/x
  3. Step 3: Cross multiply
    5,010.76x = 6,914.85 × 2,772.73
  4. Step 4: Simplify right side
    5,010.76x = 19,172,977.47
  5. Step 5: Solve for x
    x = 19,172,977.47/5,010.76
  6. Step 6: Final answer
    x = 3,826.36

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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.