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Finding the Fourth Proportional to 43,531.63, 65,297.43 and 28,737.08

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Solution

The fourth proportional to 43,531.63, 65,297.43 and 28,737.08 is: 43,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.63 : 65,297.43 = 28,737.08 : x
  2. Step 2: Convert to fraction form
    43,531.63/65,297.43 = 28,737.08/x
  3. Step 3: Cross multiply
    43,531.63x = 65,297.43 × 28,737.08
  4. Step 4: Simplify right side
    43,531.63x = 1,876,457,143.22
  5. Step 5: Solve for x
    x = 1,876,457,143.22/43,531.63
  6. Step 6: Final answer
    x = 43,105.61

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Similar ratio
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1.5x scale

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.