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Finding the Fourth Proportional to 3,955.56, 5,458.86 and 2,463.48

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Solution

The fourth proportional to 3,955.56, 5,458.86 and 2,463.48 is: 3,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.56 : 5,458.86 = 2,463.48 : x
  2. Step 2: Convert to fraction form
    3,955.56/5,458.86 = 2,463.48/x
  3. Step 3: Cross multiply
    3,955.56x = 5,458.86 × 2,463.48
  4. Step 4: Simplify right side
    3,955.56x = 13,447,792.43
  5. Step 5: Solve for x
    x = 13,447,792.43/3,955.56
  6. Step 6: Final answer
    x = 3,399.72

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1.5x scale

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.