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Finding the Fourth Proportional to 6,395.28, 8,824.49 and 3,562.71

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Solution

The fourth proportional to 6,395.28, 8,824.49 and 3,562.71 is: 4,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.28 : 8,824.49 = 3,562.71 : x
  2. Step 2: Convert to fraction form
    6,395.28/8,824.49 = 3,562.71/x
  3. Step 3: Cross multiply
    6,395.28x = 8,824.49 × 3,562.71
  4. Step 4: Simplify right side
    6,395.28x = 31,439,080.95
  5. Step 5: Solve for x
    x = 31,439,080.95/6,395.28
  6. Step 6: Final answer
    x = 4,915.98

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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.