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Finding the Fourth Proportional to 7,609.02, 11,415.96 and 3,230.16

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Solution

The fourth proportional to 7,609.02, 11,415.96 and 3,230.16 is: 4,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.02 : 11,415.96 = 3,230.16 : x
  2. Step 2: Convert to fraction form
    7,609.02/11,415.96 = 3,230.16/x
  3. Step 3: Cross multiply
    7,609.02x = 11,415.96 × 3,230.16
  4. Step 4: Simplify right side
    7,609.02x = 36,875,377.35
  5. Step 5: Solve for x
    x = 36,875,377.35/7,609.02
  6. Step 6: Final answer
    x = 4,846.27

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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.