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Finding the Fourth Proportional to 5,616.60, 8,441.10 and 4,903.80

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Solution

The fourth proportional to 5,616.60, 8,441.10 and 4,903.80 is: 7,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.60 : 8,441.10 = 4,903.80 : x
  2. Step 2: Convert to fraction form
    5,616.60/8,441.10 = 4,903.80/x
  3. Step 3: Cross multiply
    5,616.60x = 8,441.10 × 4,903.80
  4. Step 4: Simplify right side
    5,616.60x = 41,393,466.18
  5. Step 5: Solve for x
    x = 41,393,466.18/5,616.60
  6. Step 6: Final answer
    x = 7,369.84

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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.