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Finding the Fourth Proportional to 5,946.99, 8,920.48 and 2,438.64

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Solution

The fourth proportional to 5,946.99, 8,920.48 and 2,438.64 is: 3,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.99 : 8,920.48 = 2,438.64 : x
  2. Step 2: Convert to fraction form
    5,946.99/8,920.48 = 2,438.64/x
  3. Step 3: Cross multiply
    5,946.99x = 8,920.48 × 2,438.64
  4. Step 4: Simplify right side
    5,946.99x = 21,753,839.35
  5. Step 5: Solve for x
    x = 21,753,839.35/5,946.99
  6. Step 6: Final answer
    x = 3,657.96

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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.