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Finding the Fourth Proportional to 5,674.68, 8,506.98 and 2,211.12

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Solution

The fourth proportional to 5,674.68, 8,506.98 and 2,211.12 is: 3,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.68 : 8,506.98 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    5,674.68/8,506.98 = 2,211.12/x
  3. Step 3: Cross multiply
    5,674.68x = 8,506.98 × 2,211.12
  4. Step 4: Simplify right side
    5,674.68x = 18,809,953.62
  5. Step 5: Solve for x
    x = 18,809,953.62/5,674.68
  6. Step 6: Final answer
    x = 3,314.72

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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.