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Finding the Fourth Proportional to 4,000.72, 5,998.20 and 1,534.96

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Solution

The fourth proportional to 4,000.72, 5,998.20 and 1,534.96 is: 2,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.72 : 5,998.20 = 1,534.96 : x
  2. Step 2: Convert to fraction form
    4,000.72/5,998.20 = 1,534.96/x
  3. Step 3: Cross multiply
    4,000.72x = 5,998.20 × 1,534.96
  4. Step 4: Simplify right side
    4,000.72x = 9,206,997.07
  5. Step 5: Solve for x
    x = 9,206,997.07/4,000.72
  6. Step 6: Final answer
    x = 2,301.34

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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.