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Finding the Fourth Proportional to 8,885.42, 13,323.22 and 3,619.08

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Solution

The fourth proportional to 8,885.42, 13,323.22 and 3,619.08 is: 5,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.42 : 13,323.22 = 3,619.08 : x
  2. Step 2: Convert to fraction form
    8,885.42/13,323.22 = 3,619.08/x
  3. Step 3: Cross multiply
    8,885.42x = 13,323.22 × 3,619.08
  4. Step 4: Simplify right side
    8,885.42x = 48,217,799.04
  5. Step 5: Solve for x
    x = 48,217,799.04/8,885.42
  6. Step 6: Final answer
    x = 5,426.62

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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.