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Finding the Fourth Proportional to 9,041.92, 13,495.08 and 8,451.43

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Solution

The fourth proportional to 9,041.92, 13,495.08 and 8,451.43 is: 12,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.92 : 13,495.08 = 8,451.43 : x
  2. Step 2: Convert to fraction form
    9,041.92/13,495.08 = 8,451.43/x
  3. Step 3: Cross multiply
    9,041.92x = 13,495.08 × 8,451.43
  4. Step 4: Simplify right side
    9,041.92x = 114,052,723.96
  5. Step 5: Solve for x
    x = 114,052,723.96/9,041.92
  6. Step 6: Final answer
    x = 12,613.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.