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Finding the Fourth Proportional to 32,998.54, 45,540.61 and 18,661.39

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Solution

The fourth proportional to 32,998.54, 45,540.61 and 18,661.39 is: 25,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.54 : 45,540.61 = 18,661.39 : x
  2. Step 2: Convert to fraction form
    32,998.54/45,540.61 = 18,661.39/x
  3. Step 3: Cross multiply
    32,998.54x = 45,540.61 × 18,661.39
  4. Step 4: Simplify right side
    32,998.54x = 849,850,809.69
  5. Step 5: Solve for x
    x = 849,850,809.69/32,998.54
  6. Step 6: Final answer
    x = 25,754.20

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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.