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Finding the Fourth Proportional to 5,497.40, 8,236.44 and 4,578.84

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Solution

The fourth proportional to 5,497.40, 8,236.44 and 4,578.84 is: 6,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.40 : 8,236.44 = 4,578.84 : x
  2. Step 2: Convert to fraction form
    5,497.40/8,236.44 = 4,578.84/x
  3. Step 3: Cross multiply
    5,497.40x = 8,236.44 × 4,578.84
  4. Step 4: Simplify right side
    5,497.40x = 37,713,340.93
  5. Step 5: Solve for x
    x = 37,713,340.93/5,497.40
  6. Step 6: Final answer
    x = 6,860.21

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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.