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Finding the Fourth Proportional to 57,630.96, 79,530.48 and 32,480.16

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Solution

The fourth proportional to 57,630.96, 79,530.48 and 32,480.16 is: 44,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,630.96 : 79,530.48 = 32,480.16 : x
  2. Step 2: Convert to fraction form
    57,630.96/79,530.48 = 32,480.16/x
  3. Step 3: Cross multiply
    57,630.96x = 79,530.48 × 32,480.16
  4. Step 4: Simplify right side
    57,630.96x = 2,583,162,715.28
  5. Step 5: Solve for x
    x = 2,583,162,715.28/57,630.96
  6. Step 6: Final answer
    x = 44,822.48

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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.