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Finding the Fourth Proportional to 4,453.64, 6,669.48 and 2,259.32

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Solution

The fourth proportional to 4,453.64, 6,669.48 and 2,259.32 is: 3,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.64 : 6,669.48 = 2,259.32 : x
  2. Step 2: Convert to fraction form
    4,453.64/6,669.48 = 2,259.32/x
  3. Step 3: Cross multiply
    4,453.64x = 6,669.48 × 2,259.32
  4. Step 4: Simplify right side
    4,453.64x = 15,068,489.55
  5. Step 5: Solve for x
    x = 15,068,489.55/4,453.64
  6. Step 6: Final answer
    x = 3,383.41

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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.