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Finding the Fourth Proportional to 32,800.32, 45,265.44 and 18,655.20

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Solution

The fourth proportional to 32,800.32, 45,265.44 and 18,655.20 is: 25,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,800.32 : 45,265.44 = 18,655.20 : x
  2. Step 2: Convert to fraction form
    32,800.32/45,265.44 = 18,655.20/x
  3. Step 3: Cross multiply
    32,800.32x = 45,265.44 × 18,655.20
  4. Step 4: Simplify right side
    32,800.32x = 844,435,836.29
  5. Step 5: Solve for x
    x = 844,435,836.29/32,800.32
  6. Step 6: Final answer
    x = 25,744.74

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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.