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Finding the Fourth Proportional to 6,241.40, 8,757.40 and 6,241.40

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Solution

The fourth proportional to 6,241.40, 8,757.40 and 6,241.40 is: 8,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.40 : 8,757.40 = 6,241.40 : x
  2. Step 2: Convert to fraction form
    6,241.40/8,757.40 = 6,241.40/x
  3. Step 3: Cross multiply
    6,241.40x = 8,757.40 × 6,241.40
  4. Step 4: Simplify right side
    6,241.40x = 54,658,436.36
  5. Step 5: Solve for x
    x = 54,658,436.36/6,241.40
  6. Step 6: Final answer
    x = 8,757.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.