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Finding the Fourth Proportional to 10,893.87, 16,340.86 and 3,498.73

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Solution

The fourth proportional to 10,893.87, 16,340.86 and 3,498.73 is: 5,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.87 : 16,340.86 = 3,498.73 : x
  2. Step 2: Convert to fraction form
    10,893.87/16,340.86 = 3,498.73/x
  3. Step 3: Cross multiply
    10,893.87x = 16,340.86 × 3,498.73
  4. Step 4: Simplify right side
    10,893.87x = 57,172,220.63
  5. Step 5: Solve for x
    x = 57,172,220.63/10,893.87
  6. Step 6: Final answer
    x = 5,248.11

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.