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Finding the Fourth Proportional to 8,994.38, 13,491.07 and 3,447.50

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Solution

The fourth proportional to 8,994.38, 13,491.07 and 3,447.50 is: 5,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.38 : 13,491.07 = 3,447.50 : x
  2. Step 2: Convert to fraction form
    8,994.38/13,491.07 = 3,447.50/x
  3. Step 3: Cross multiply
    8,994.38x = 13,491.07 × 3,447.50
  4. Step 4: Simplify right side
    8,994.38x = 46,510,488.93
  5. Step 5: Solve for x
    x = 46,510,488.93/8,994.38
  6. Step 6: Final answer
    x = 5,171.06

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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.