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Finding the Fourth Proportional to 4,243.32, 6,358.32 and 1,644.84

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Solution

The fourth proportional to 4,243.32, 6,358.32 and 1,644.84 is: 2,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.32 : 6,358.32 = 1,644.84 : x
  2. Step 2: Convert to fraction form
    4,243.32/6,358.32 = 1,644.84/x
  3. Step 3: Cross multiply
    4,243.32x = 6,358.32 × 1,644.84
  4. Step 4: Simplify right side
    4,243.32x = 10,458,419.07
  5. Step 5: Solve for x
    x = 10,458,419.07/4,243.32
  6. Step 6: Final answer
    x = 2,464.68

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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.