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Finding the Fourth Proportional to 32,878.89, 49,239.25 and 18,796.23

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Solution

The fourth proportional to 32,878.89, 49,239.25 and 18,796.23 is: 28,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.89 : 49,239.25 = 18,796.23 : x
  2. Step 2: Convert to fraction form
    32,878.89/49,239.25 = 18,796.23/x
  3. Step 3: Cross multiply
    32,878.89x = 49,239.25 × 18,796.23
  4. Step 4: Simplify right side
    32,878.89x = 925,512,268.03
  5. Step 5: Solve for x
    x = 925,512,268.03/32,878.89
  6. Step 6: Final answer
    x = 28,149.13

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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.