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Finding the Fourth Proportional to 57,817.08, 86,725.17 and 29,745

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Solution

The fourth proportional to 57,817.08, 86,725.17 and 29,745 is: 44,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,817.08 : 86,725.17 = 29,745 : x
  2. Step 2: Convert to fraction form
    57,817.08/86,725.17 = 29,745/x
  3. Step 3: Cross multiply
    57,817.08x = 86,725.17 × 29,745
  4. Step 4: Simplify right side
    57,817.08x = 2,579,640,181.65
  5. Step 5: Solve for x
    x = 2,579,640,181.65/57,817.08
  6. Step 6: Final answer
    x = 44,617.27

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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.