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Finding the Fourth Proportional to 32,791.41, 45,236.76 and 19,353.51

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Solution

The fourth proportional to 32,791.41, 45,236.76 and 19,353.51 is: 26,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,791.41 : 45,236.76 = 19,353.51 : x
  2. Step 2: Convert to fraction form
    32,791.41/45,236.76 = 19,353.51/x
  3. Step 3: Cross multiply
    32,791.41x = 45,236.76 × 19,353.51
  4. Step 4: Simplify right side
    32,791.41x = 875,490,087.03
  5. Step 5: Solve for x
    x = 875,490,087.03/32,791.41
  6. Step 6: Final answer
    x = 26,698.76

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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.