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Finding the Fourth Proportional to 32,489.66, 48,639.72 and 29,113.18

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Solution

The fourth proportional to 32,489.66, 48,639.72 and 29,113.18 is: 43,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,489.66 : 48,639.72 = 29,113.18 : x
  2. Step 2: Convert to fraction form
    32,489.66/48,639.72 = 29,113.18/x
  3. Step 3: Cross multiply
    32,489.66x = 48,639.72 × 29,113.18
  4. Step 4: Simplify right side
    32,489.66x = 1,416,056,911.08
  5. Step 5: Solve for x
    x = 1,416,056,911.08/32,489.66
  6. Step 6: Final answer
    x = 43,584.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.