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Finding the Fourth Proportional to 16,246.92, 22,420.74 and 8,794.92

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Solution

The fourth proportional to 16,246.92, 22,420.74 and 8,794.92 is: 12,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.92 : 22,420.74 = 8,794.92 : x
  2. Step 2: Convert to fraction form
    16,246.92/22,420.74 = 8,794.92/x
  3. Step 3: Cross multiply
    16,246.92x = 22,420.74 × 8,794.92
  4. Step 4: Simplify right side
    16,246.92x = 197,188,614.64
  5. Step 5: Solve for x
    x = 197,188,614.64/16,246.92
  6. Step 6: Final answer
    x = 12,136.98

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Half scale
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Double scale
Find fourth proportional to 16,247.92, 22,422.12 and 8,795.92
Similar ratio
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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.