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Finding the Fourth Proportional to 62,805, 93,990.27 and 38,779.44

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Solution

The fourth proportional to 62,805, 93,990.27 and 38,779.44 is: 58,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805 : 93,990.27 = 38,779.44 : x
  2. Step 2: Convert to fraction form
    62,805/93,990.27 = 38,779.44/x
  3. Step 3: Cross multiply
    62,805x = 93,990.27 × 38,779.44
  4. Step 4: Simplify right side
    62,805x = 3,644,890,036.05
  5. Step 5: Solve for x
    x = 3,644,890,036.05/62,805
  6. Step 6: Final answer
    x = 58,035.03

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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.