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Finding the Fourth Proportional to 32,912.44, 45,420.30 and 18,008.44

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Solution

The fourth proportional to 32,912.44, 45,420.30 and 18,008.44 is: 24,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.44 : 45,420.30 = 18,008.44 : x
  2. Step 2: Convert to fraction form
    32,912.44/45,420.30 = 18,008.44/x
  3. Step 3: Cross multiply
    32,912.44x = 45,420.30 × 18,008.44
  4. Step 4: Simplify right side
    32,912.44x = 817,948,747.33
  5. Step 5: Solve for x
    x = 817,948,747.33/32,912.44
  6. Step 6: Final answer
    x = 24,852.27

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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.