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Finding the Fourth Proportional to 29,654.51, 40,932.74 and 19,591.88

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Solution

The fourth proportional to 29,654.51, 40,932.74 and 19,591.88 is: 27,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,654.51 : 40,932.74 = 19,591.88 : x
  2. Step 2: Convert to fraction form
    29,654.51/40,932.74 = 19,591.88/x
  3. Step 3: Cross multiply
    29,654.51x = 40,932.74 × 19,591.88
  4. Step 4: Simplify right side
    29,654.51x = 801,949,174.47
  5. Step 5: Solve for x
    x = 801,949,174.47/29,654.51
  6. Step 6: Final answer
    x = 27,043.08

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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.