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Finding the Fourth Proportional to 8,404.05, 12,613.86 and 4,246.98

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Solution

The fourth proportional to 8,404.05, 12,613.86 and 4,246.98 is: 6,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.05 : 12,613.86 = 4,246.98 : x
  2. Step 2: Convert to fraction form
    8,404.05/12,613.86 = 4,246.98/x
  3. Step 3: Cross multiply
    8,404.05x = 12,613.86 × 4,246.98
  4. Step 4: Simplify right side
    8,404.05x = 53,570,811.14
  5. Step 5: Solve for x
    x = 53,570,811.14/8,404.05
  6. Step 6: Final answer
    x = 6,374.40

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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.