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Finding the Fourth Proportional to 11,374.52, 17,064.10 and 4,800.70

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Solution

The fourth proportional to 11,374.52, 17,064.10 and 4,800.70 is: 7,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.52 : 17,064.10 = 4,800.70 : x
  2. Step 2: Convert to fraction form
    11,374.52/17,064.10 = 4,800.70/x
  3. Step 3: Cross multiply
    11,374.52x = 17,064.10 × 4,800.70
  4. Step 4: Simplify right side
    11,374.52x = 81,919,624.87
  5. Step 5: Solve for x
    x = 81,919,624.87/11,374.52
  6. Step 6: Final answer
    x = 7,202.03

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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.