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Finding the Fourth Proportional to 28,797.62, 43,189.94 and 10,329.62

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Solution

The fourth proportional to 28,797.62, 43,189.94 and 10,329.62 is: 15,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.62 : 43,189.94 = 10,329.62 : x
  2. Step 2: Convert to fraction form
    28,797.62/43,189.94 = 10,329.62/x
  3. Step 3: Cross multiply
    28,797.62x = 43,189.94 × 10,329.62
  4. Step 4: Simplify right side
    28,797.62x = 446,135,477.90
  5. Step 5: Solve for x
    x = 446,135,477.90/28,797.62
  6. Step 6: Final answer
    x = 15,492.10

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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.