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Finding the Fourth Proportional to 5,220.36, 7,845.84 and 4,348.44

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Solution

The fourth proportional to 5,220.36, 7,845.84 and 4,348.44 is: 6,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.36 : 7,845.84 = 4,348.44 : x
  2. Step 2: Convert to fraction form
    5,220.36/7,845.84 = 4,348.44/x
  3. Step 3: Cross multiply
    5,220.36x = 7,845.84 × 4,348.44
  4. Step 4: Simplify right side
    5,220.36x = 34,117,164.49
  5. Step 5: Solve for x
    x = 34,117,164.49/5,220.36
  6. Step 6: Final answer
    x = 6,535.40

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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.