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Finding the Fourth Proportional to 8,493.67, 12,735.83 and 4,549.55

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Solution

The fourth proportional to 8,493.67, 12,735.83 and 4,549.55 is: 6,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.67 : 12,735.83 = 4,549.55 : x
  2. Step 2: Convert to fraction form
    8,493.67/12,735.83 = 4,549.55/x
  3. Step 3: Cross multiply
    8,493.67x = 12,735.83 × 4,549.55
  4. Step 4: Simplify right side
    8,493.67x = 57,942,314.71
  5. Step 5: Solve for x
    x = 57,942,314.71/8,493.67
  6. Step 6: Final answer
    x = 6,821.82

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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.