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Finding the Fourth Proportional to 6,484.62, 8,948.64 and 3,651.98

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Solution

The fourth proportional to 6,484.62, 8,948.64 and 3,651.98 is: 5,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.62 : 8,948.64 = 3,651.98 : x
  2. Step 2: Convert to fraction form
    6,484.62/8,948.64 = 3,651.98/x
  3. Step 3: Cross multiply
    6,484.62x = 8,948.64 × 3,651.98
  4. Step 4: Simplify right side
    6,484.62x = 32,680,209.56
  5. Step 5: Solve for x
    x = 32,680,209.56/6,484.62
  6. Step 6: Final answer
    x = 5,039.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.