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Finding the Fourth Proportional to 7,675.56, 11,513.28 and 2,203.56

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Solution

The fourth proportional to 7,675.56, 11,513.28 and 2,203.56 is: 3,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.56 : 11,513.28 = 2,203.56 : x
  2. Step 2: Convert to fraction form
    7,675.56/11,513.28 = 2,203.56/x
  3. Step 3: Cross multiply
    7,675.56x = 11,513.28 × 2,203.56
  4. Step 4: Simplify right side
    7,675.56x = 25,370,203.28
  5. Step 5: Solve for x
    x = 25,370,203.28/7,675.56
  6. Step 6: Final answer
    x = 3,305.32

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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.