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Finding the Fourth Proportional to 59,982.63, 82,779.47 and 36,116.99

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Solution

The fourth proportional to 59,982.63, 82,779.47 and 36,116.99 is: 49,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,982.63 : 82,779.47 = 36,116.99 : x
  2. Step 2: Convert to fraction form
    59,982.63/82,779.47 = 36,116.99/x
  3. Step 3: Cross multiply
    59,982.63x = 82,779.47 × 36,116.99
  4. Step 4: Simplify right side
    59,982.63x = 2,989,745,141.57
  5. Step 5: Solve for x
    x = 2,989,745,141.57/59,982.63
  6. Step 6: Final answer
    x = 49,843.52

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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.