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Finding the Fourth Proportional to 8,950.64, 13,412.28 and 3,753.68

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Solution

The fourth proportional to 8,950.64, 13,412.28 and 3,753.68 is: 5,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.64 : 13,412.28 = 3,753.68 : x
  2. Step 2: Convert to fraction form
    8,950.64/13,412.28 = 3,753.68/x
  3. Step 3: Cross multiply
    8,950.64x = 13,412.28 × 3,753.68
  4. Step 4: Simplify right side
    8,950.64x = 50,345,407.19
  5. Step 5: Solve for x
    x = 50,345,407.19/8,950.64
  6. Step 6: Final answer
    x = 5,624.78

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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.