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Finding the Fourth Proportional to 41,089, 61,638.36 and 13,387

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Solution

The fourth proportional to 41,089, 61,638.36 and 13,387 is: 20,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,089 : 61,638.36 = 13,387 : x
  2. Step 2: Convert to fraction form
    41,089/61,638.36 = 13,387/x
  3. Step 3: Cross multiply
    41,089x = 61,638.36 × 13,387
  4. Step 4: Simplify right side
    41,089x = 825,152,725.32
  5. Step 5: Solve for x
    x = 825,152,725.32/41,089
  6. Step 6: Final answer
    x = 20,082.08

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