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Finding the Fourth Proportional to 8,626.72, 12,932.48 and 5,698.88

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Solution

The fourth proportional to 8,626.72, 12,932.48 and 5,698.88 is: 8,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.72 : 12,932.48 = 5,698.88 : x
  2. Step 2: Convert to fraction form
    8,626.72/12,932.48 = 5,698.88/x
  3. Step 3: Cross multiply
    8,626.72x = 12,932.48 × 5,698.88
  4. Step 4: Simplify right side
    8,626.72x = 73,700,651.62
  5. Step 5: Solve for x
    x = 73,700,651.62/8,626.72
  6. Step 6: Final answer
    x = 8,543.30

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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.