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Finding the Fourth Proportional to 30,396.44, 45,599.22 and 10,671.52

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Solution

The fourth proportional to 30,396.44, 45,599.22 and 10,671.52 is: 16,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.44 : 45,599.22 = 10,671.52 : x
  2. Step 2: Convert to fraction form
    30,396.44/45,599.22 = 10,671.52/x
  3. Step 3: Cross multiply
    30,396.44x = 45,599.22 × 10,671.52
  4. Step 4: Simplify right side
    30,396.44x = 486,612,988.21
  5. Step 5: Solve for x
    x = 486,612,988.21/30,396.44
  6. Step 6: Final answer
    x = 16,008.88

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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.