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Finding the Fourth Proportional to 17,693.15, 24,406.40 and 11,057.63

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Solution

The fourth proportional to 17,693.15, 24,406.40 and 11,057.63 is: 15,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.15 : 24,406.40 = 11,057.63 : x
  2. Step 2: Convert to fraction form
    17,693.15/24,406.40 = 11,057.63/x
  3. Step 3: Cross multiply
    17,693.15x = 24,406.40 × 11,057.63
  4. Step 4: Simplify right side
    17,693.15x = 269,876,940.83
  5. Step 5: Solve for x
    x = 269,876,940.83/17,693.15
  6. Step 6: Final answer
    x = 15,253.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.