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Finding the Fourth Proportional to 32,081.72, 44,275.04 and 20,903.72

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Solution

The fourth proportional to 32,081.72, 44,275.04 and 20,903.72 is: 28,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,081.72 : 44,275.04 = 20,903.72 : x
  2. Step 2: Convert to fraction form
    32,081.72/44,275.04 = 20,903.72/x
  3. Step 3: Cross multiply
    32,081.72x = 44,275.04 × 20,903.72
  4. Step 4: Simplify right side
    32,081.72x = 925,513,039.15
  5. Step 5: Solve for x
    x = 925,513,039.15/32,081.72
  6. Step 6: Final answer
    x = 28,848.61

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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.