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Finding the Fourth Proportional to 4,372.50, 6,030.12 and 2,879.88

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Solution

The fourth proportional to 4,372.50, 6,030.12 and 2,879.88 is: 3,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.50 : 6,030.12 = 2,879.88 : x
  2. Step 2: Convert to fraction form
    4,372.50/6,030.12 = 2,879.88/x
  3. Step 3: Cross multiply
    4,372.50x = 6,030.12 × 2,879.88
  4. Step 4: Simplify right side
    4,372.50x = 17,366,021.99
  5. Step 5: Solve for x
    x = 17,366,021.99/4,372.50
  6. Step 6: Final answer
    x = 3,971.65

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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.