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Finding the Fourth Proportional to 5,367.96, 7,407.72 and 3,009.96

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Solution

The fourth proportional to 5,367.96, 7,407.72 and 3,009.96 is: 4,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.96 : 7,407.72 = 3,009.96 : x
  2. Step 2: Convert to fraction form
    5,367.96/7,407.72 = 3,009.96/x
  3. Step 3: Cross multiply
    5,367.96x = 7,407.72 × 3,009.96
  4. Step 4: Simplify right side
    5,367.96x = 22,296,940.89
  5. Step 5: Solve for x
    x = 22,296,940.89/5,367.96
  6. Step 6: Final answer
    x = 4,153.71

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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.