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Finding the Fourth Proportional to 8,953.49, 13,451.90 and 7,903.73

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Solution

The fourth proportional to 8,953.49, 13,451.90 and 7,903.73 is: 11,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.49 : 13,451.90 = 7,903.73 : x
  2. Step 2: Convert to fraction form
    8,953.49/13,451.90 = 7,903.73/x
  3. Step 3: Cross multiply
    8,953.49x = 13,451.90 × 7,903.73
  4. Step 4: Simplify right side
    8,953.49x = 106,320,078.81
  5. Step 5: Solve for x
    x = 106,320,078.81/8,953.49
  6. Step 6: Final answer
    x = 11,874.71

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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.