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Finding the Fourth Proportional to 32,798.47, 45,257.73 and 18,651.62

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Solution

The fourth proportional to 32,798.47, 45,257.73 and 18,651.62 is: 25,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,798.47 : 45,257.73 = 18,651.62 : x
  2. Step 2: Convert to fraction form
    32,798.47/45,257.73 = 18,651.62/x
  3. Step 3: Cross multiply
    32,798.47x = 45,257.73 × 18,651.62
  4. Step 4: Simplify right side
    32,798.47x = 844,129,982.02
  5. Step 5: Solve for x
    x = 844,129,982.02/32,798.47
  6. Step 6: Final answer
    x = 25,736.87

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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.