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Finding the Fourth Proportional to 17,230.05, 25,847.51 and 8,465.31

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Solution

The fourth proportional to 17,230.05, 25,847.51 and 8,465.31 is: 12,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.05 : 25,847.51 = 8,465.31 : x
  2. Step 2: Convert to fraction form
    17,230.05/25,847.51 = 8,465.31/x
  3. Step 3: Cross multiply
    17,230.05x = 25,847.51 × 8,465.31
  4. Step 4: Simplify right side
    17,230.05x = 218,807,142.55
  5. Step 5: Solve for x
    x = 218,807,142.55/17,230.05
  6. Step 6: Final answer
    x = 12,699.16

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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.