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Finding the Fourth Proportional to 5,651.96, 8,479.26 and 1,756.16

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Solution

The fourth proportional to 5,651.96, 8,479.26 and 1,756.16 is: 2,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.96 : 8,479.26 = 1,756.16 : x
  2. Step 2: Convert to fraction form
    5,651.96/8,479.26 = 1,756.16/x
  3. Step 3: Cross multiply
    5,651.96x = 8,479.26 × 1,756.16
  4. Step 4: Simplify right side
    5,651.96x = 14,890,937.24
  5. Step 5: Solve for x
    x = 14,890,937.24/5,651.96
  6. Step 6: Final answer
    x = 2,634.65

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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.