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Finding the Fourth Proportional to 29,666.72, 40,943.12 and 17,092.64

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Solution

The fourth proportional to 29,666.72, 40,943.12 and 17,092.64 is: 23,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.72 : 40,943.12 = 17,092.64 : x
  2. Step 2: Convert to fraction form
    29,666.72/40,943.12 = 17,092.64/x
  3. Step 3: Cross multiply
    29,666.72x = 40,943.12 × 17,092.64
  4. Step 4: Simplify right side
    29,666.72x = 699,826,010.64
  5. Step 5: Solve for x
    x = 699,826,010.64/29,666.72
  6. Step 6: Final answer
    x = 23,589.60

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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.