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Finding the Fourth Proportional to 5,604.80, 8,403.04 and 3,384.41

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Solution

The fourth proportional to 5,604.80, 8,403.04 and 3,384.41 is: 5,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.80 : 8,403.04 = 3,384.41 : x
  2. Step 2: Convert to fraction form
    5,604.80/8,403.04 = 3,384.41/x
  3. Step 3: Cross multiply
    5,604.80x = 8,403.04 × 3,384.41
  4. Step 4: Simplify right side
    5,604.80x = 28,439,318.46
  5. Step 5: Solve for x
    x = 28,439,318.46/5,604.80
  6. Step 6: Final answer
    x = 5,074.11

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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.