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Finding the Fourth Proportional to 5,828.64, 8,043.84 and 3,344.64

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Solution

The fourth proportional to 5,828.64, 8,043.84 and 3,344.64 is: 4,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.64 : 8,043.84 = 3,344.64 : x
  2. Step 2: Convert to fraction form
    5,828.64/8,043.84 = 3,344.64/x
  3. Step 3: Cross multiply
    5,828.64x = 8,043.84 × 3,344.64
  4. Step 4: Simplify right side
    5,828.64x = 26,903,749.02
  5. Step 5: Solve for x
    x = 26,903,749.02/5,828.64
  6. Step 6: Final answer
    x = 4,615.78

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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.