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Finding the Fourth Proportional to 6,043.40, 8,343.78 and 5,265.80

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Solution

The fourth proportional to 6,043.40, 8,343.78 and 5,265.80 is: 7,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,043.40 : 8,343.78 = 5,265.80 : x
  2. Step 2: Convert to fraction form
    6,043.40/8,343.78 = 5,265.80/x
  3. Step 3: Cross multiply
    6,043.40x = 8,343.78 × 5,265.80
  4. Step 4: Simplify right side
    6,043.40x = 43,936,676.72
  5. Step 5: Solve for x
    x = 43,936,676.72/6,043.40
  6. Step 6: Final answer
    x = 7,270.19

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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.