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Finding the Fourth Proportional to 32,813.76, 45,287.04 and 18,479.04

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Solution

The fourth proportional to 32,813.76, 45,287.04 and 18,479.04 is: 25,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.76 : 45,287.04 = 18,479.04 : x
  2. Step 2: Convert to fraction form
    32,813.76/45,287.04 = 18,479.04/x
  3. Step 3: Cross multiply
    32,813.76x = 45,287.04 × 18,479.04
  4. Step 4: Simplify right side
    32,813.76x = 836,861,023.64
  5. Step 5: Solve for x
    x = 836,861,023.64/32,813.76
  6. Step 6: Final answer
    x = 25,503.36

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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.