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Finding the Fourth Proportional to 2,548.77, 3,822.69 and 882.90

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Solution

The fourth proportional to 2,548.77, 3,822.69 and 882.90 is: 1,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.77 : 3,822.69 = 882.90 : x
  2. Step 2: Convert to fraction form
    2,548.77/3,822.69 = 882.90/x
  3. Step 3: Cross multiply
    2,548.77x = 3,822.69 × 882.90
  4. Step 4: Simplify right side
    2,548.77x = 3,375,053.00
  5. Step 5: Solve for x
    x = 3,375,053.00/2,548.77
  6. Step 6: Final answer
    x = 1,324.19

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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.