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Finding the Fourth Proportional to 4,751.56, 7,120.59 and 2,250.08

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Solution

The fourth proportional to 4,751.56, 7,120.59 and 2,250.08 is: 3,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.56 : 7,120.59 = 2,250.08 : x
  2. Step 2: Convert to fraction form
    4,751.56/7,120.59 = 2,250.08/x
  3. Step 3: Cross multiply
    4,751.56x = 7,120.59 × 2,250.08
  4. Step 4: Simplify right side
    4,751.56x = 16,021,897.15
  5. Step 5: Solve for x
    x = 16,021,897.15/4,751.56
  6. Step 6: Final answer
    x = 3,371.92

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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.