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Finding the Fourth Proportional to 28,894.24, 43,399.64 and 17,230.24

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Solution

The fourth proportional to 28,894.24, 43,399.64 and 17,230.24 is: 25,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.24 : 43,399.64 = 17,230.24 : x
  2. Step 2: Convert to fraction form
    28,894.24/43,399.64 = 17,230.24/x
  3. Step 3: Cross multiply
    28,894.24x = 43,399.64 × 17,230.24
  4. Step 4: Simplify right side
    28,894.24x = 747,786,213.11
  5. Step 5: Solve for x
    x = 747,786,213.11/28,894.24
  6. Step 6: Final answer
    x = 25,880.11

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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.