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Finding the Fourth Proportional to 20,329.68, 30,494.16 and 8,017.68

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Solution

The fourth proportional to 20,329.68, 30,494.16 and 8,017.68 is: 12,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.68 : 30,494.16 = 8,017.68 : x
  2. Step 2: Convert to fraction form
    20,329.68/30,494.16 = 8,017.68/x
  3. Step 3: Cross multiply
    20,329.68x = 30,494.16 × 8,017.68
  4. Step 4: Simplify right side
    20,329.68x = 244,492,416.75
  5. Step 5: Solve for x
    x = 244,492,416.75/20,329.68
  6. Step 6: Final answer
    x = 12,026.38

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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.