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Finding the Fourth Proportional to 5,653.28, 8,479.20 and 1,493.63

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Solution

The fourth proportional to 5,653.28, 8,479.20 and 1,493.63 is: 2,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.28 : 8,479.20 = 1,493.63 : x
  2. Step 2: Convert to fraction form
    5,653.28/8,479.20 = 1,493.63/x
  3. Step 3: Cross multiply
    5,653.28x = 8,479.20 × 1,493.63
  4. Step 4: Simplify right side
    5,653.28x = 12,664,787.50
  5. Step 5: Solve for x
    x = 12,664,787.50/5,653.28
  6. Step 6: Final answer
    x = 2,240.25

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Similar ratio
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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.