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Finding the Fourth Proportional to 5,400.11, 7,452.11 and 3,043.01

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Solution

The fourth proportional to 5,400.11, 7,452.11 and 3,043.01 is: 4,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.11 : 7,452.11 = 3,043.01 : x
  2. Step 2: Convert to fraction form
    5,400.11/7,452.11 = 3,043.01/x
  3. Step 3: Cross multiply
    5,400.11x = 7,452.11 × 3,043.01
  4. Step 4: Simplify right side
    5,400.11x = 22,676,792.78
  5. Step 5: Solve for x
    x = 22,676,792.78/5,400.11
  6. Step 6: Final answer
    x = 4,199.32

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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.