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Finding the Fourth Proportional to 29,092.88, 40,157.16 and 17,918.48

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Solution

The fourth proportional to 29,092.88, 40,157.16 and 17,918.48 is: 24,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,092.88 : 40,157.16 = 17,918.48 : x
  2. Step 2: Convert to fraction form
    29,092.88/40,157.16 = 17,918.48/x
  3. Step 3: Cross multiply
    29,092.88x = 40,157.16 × 17,918.48
  4. Step 4: Simplify right side
    29,092.88x = 719,555,268.32
  5. Step 5: Solve for x
    x = 719,555,268.32/29,092.88
  6. Step 6: Final answer
    x = 24,733.04

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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.