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Finding the Fourth Proportional to 7,305.70, 10,951.35 and 3,604.90

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Solution

The fourth proportional to 7,305.70, 10,951.35 and 3,604.90 is: 5,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.70 : 10,951.35 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    7,305.70/10,951.35 = 3,604.90/x
  3. Step 3: Cross multiply
    7,305.70x = 10,951.35 × 3,604.90
  4. Step 4: Simplify right side
    7,305.70x = 39,478,521.62
  5. Step 5: Solve for x
    x = 39,478,521.62/7,305.70
  6. Step 6: Final answer
    x = 5,403.80

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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.