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Finding the Fourth Proportional to 2,250.50, 3,375.76 and 882.50

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Solution

The fourth proportional to 2,250.50, 3,375.76 and 882.50 is: 1,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.50 : 3,375.76 = 882.50 : x
  2. Step 2: Convert to fraction form
    2,250.50/3,375.76 = 882.50/x
  3. Step 3: Cross multiply
    2,250.50x = 3,375.76 × 882.50
  4. Step 4: Simplify right side
    2,250.50x = 2,979,108.20
  5. Step 5: Solve for x
    x = 2,979,108.20/2,250.50
  6. Step 6: Final answer
    x = 1,323.75

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1.5x scale

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.