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Finding the Fourth Proportional to 6,344.95, 9,517.70 and 1,962.49

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Solution

The fourth proportional to 6,344.95, 9,517.70 and 1,962.49 is: 2,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.95 : 9,517.70 = 1,962.49 : x
  2. Step 2: Convert to fraction form
    6,344.95/9,517.70 = 1,962.49/x
  3. Step 3: Cross multiply
    6,344.95x = 9,517.70 × 1,962.49
  4. Step 4: Simplify right side
    6,344.95x = 18,678,391.07
  5. Step 5: Solve for x
    x = 18,678,391.07/6,344.95
  6. Step 6: Final answer
    x = 2,943.82

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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.