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Finding the Fourth Proportional to 16,857.96, 25,285.41 and 7,498.41

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Solution

The fourth proportional to 16,857.96, 25,285.41 and 7,498.41 is: 11,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.96 : 25,285.41 = 7,498.41 : x
  2. Step 2: Convert to fraction form
    16,857.96/25,285.41 = 7,498.41/x
  3. Step 3: Cross multiply
    16,857.96x = 25,285.41 × 7,498.41
  4. Step 4: Simplify right side
    16,857.96x = 189,600,371.20
  5. Step 5: Solve for x
    x = 189,600,371.20/16,857.96
  6. Step 6: Final answer
    x = 11,246.93

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Half scale
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Double scale
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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.