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Finding the Fourth Proportional to 29,043.75, 40,092.63 and 19,625.07

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Solution

The fourth proportional to 29,043.75, 40,092.63 and 19,625.07 is: 27,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.75 : 40,092.63 = 19,625.07 : x
  2. Step 2: Convert to fraction form
    29,043.75/40,092.63 = 19,625.07/x
  3. Step 3: Cross multiply
    29,043.75x = 40,092.63 × 19,625.07
  4. Step 4: Simplify right side
    29,043.75x = 786,820,670.23
  5. Step 5: Solve for x
    x = 786,820,670.23/29,043.75
  6. Step 6: Final answer
    x = 27,090.88

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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.