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Finding the Fourth Proportional to 32,357.12, 44,644.11 and 18,931.68

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Solution

The fourth proportional to 32,357.12, 44,644.11 and 18,931.68 is: 26,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,357.12 : 44,644.11 = 18,931.68 : x
  2. Step 2: Convert to fraction form
    32,357.12/44,644.11 = 18,931.68/x
  3. Step 3: Cross multiply
    32,357.12x = 44,644.11 × 18,931.68
  4. Step 4: Simplify right side
    32,357.12x = 845,188,004.40
  5. Step 5: Solve for x
    x = 845,188,004.40/32,357.12
  6. Step 6: Final answer
    x = 26,120.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.