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Finding the Fourth Proportional to 5,455.98, 8,184.72 and 1,756.98

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Solution

The fourth proportional to 5,455.98, 8,184.72 and 1,756.98 is: 2,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.98 : 8,184.72 = 1,756.98 : x
  2. Step 2: Convert to fraction form
    5,455.98/8,184.72 = 1,756.98/x
  3. Step 3: Cross multiply
    5,455.98x = 8,184.72 × 1,756.98
  4. Step 4: Simplify right side
    5,455.98x = 14,380,389.35
  5. Step 5: Solve for x
    x = 14,380,389.35/5,455.98
  6. Step 6: Final answer
    x = 2,635.71

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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.