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Finding the Fourth Proportional to 5,369.70, 7,409.16 and 3,244.80

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Solution

The fourth proportional to 5,369.70, 7,409.16 and 3,244.80 is: 4,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.70 : 7,409.16 = 3,244.80 : x
  2. Step 2: Convert to fraction form
    5,369.70/7,409.16 = 3,244.80/x
  3. Step 3: Cross multiply
    5,369.70x = 7,409.16 × 3,244.80
  4. Step 4: Simplify right side
    5,369.70x = 24,041,242.37
  5. Step 5: Solve for x
    x = 24,041,242.37/5,369.70
  6. Step 6: Final answer
    x = 4,477.20

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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.