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Finding the Fourth Proportional to 32,655.88, 45,067.89 and 18,507.88

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Solution

The fourth proportional to 32,655.88, 45,067.89 and 18,507.88 is: 25,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,655.88 : 45,067.89 = 18,507.88 : x
  2. Step 2: Convert to fraction form
    32,655.88/45,067.89 = 18,507.88/x
  3. Step 3: Cross multiply
    32,655.88x = 45,067.89 × 18,507.88
  4. Step 4: Simplify right side
    32,655.88x = 834,111,099.97
  5. Step 5: Solve for x
    x = 834,111,099.97/32,655.88
  6. Step 6: Final answer
    x = 25,542.45

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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.