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Finding the Fourth Proportional to 5,524, 7,623.12 and 3,040

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Solution

The fourth proportional to 5,524, 7,623.12 and 3,040 is: 4,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,524 : 7,623.12 = 3,040 : x
  2. Step 2: Convert to fraction form
    5,524/7,623.12 = 3,040/x
  3. Step 3: Cross multiply
    5,524x = 7,623.12 × 3,040
  4. Step 4: Simplify right side
    5,524x = 23,174,284.80
  5. Step 5: Solve for x
    x = 23,174,284.80/5,524
  6. Step 6: Final answer
    x = 4,195.20

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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.