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Finding the Fourth Proportional to 11,372.85, 17,061.10 and 4,800.01

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Solution

The fourth proportional to 11,372.85, 17,061.10 and 4,800.01 is: 7,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.85 : 17,061.10 = 4,800.01 : x
  2. Step 2: Convert to fraction form
    11,372.85/17,061.10 = 4,800.01/x
  3. Step 3: Cross multiply
    11,372.85x = 17,061.10 × 4,800.01
  4. Step 4: Simplify right side
    11,372.85x = 81,893,450.61
  5. Step 5: Solve for x
    x = 81,893,450.61/11,372.85
  6. Step 6: Final answer
    x = 7,200.79

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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.