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Finding the Fourth Proportional to 5,504.79, 8,255.97 and 1,994.25

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Solution

The fourth proportional to 5,504.79, 8,255.97 and 1,994.25 is: 2,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.79 : 8,255.97 = 1,994.25 : x
  2. Step 2: Convert to fraction form
    5,504.79/8,255.97 = 1,994.25/x
  3. Step 3: Cross multiply
    5,504.79x = 8,255.97 × 1,994.25
  4. Step 4: Simplify right side
    5,504.79x = 16,464,468.17
  5. Step 5: Solve for x
    x = 16,464,468.17/5,504.79
  6. Step 6: Final answer
    x = 2,990.93

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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.