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Finding the Fourth Proportional to 32,364.42, 44,654.16 and 18,939

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Solution

The fourth proportional to 32,364.42, 44,654.16 and 18,939 is: 26,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.42 : 44,654.16 = 18,939 : x
  2. Step 2: Convert to fraction form
    32,364.42/44,654.16 = 18,939/x
  3. Step 3: Cross multiply
    32,364.42x = 44,654.16 × 18,939
  4. Step 4: Simplify right side
    32,364.42x = 845,705,136.24
  5. Step 5: Solve for x
    x = 845,705,136.24/32,364.42
  6. Step 6: Final answer
    x = 26,130.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.