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Finding the Fourth Proportional to 61,823.80, 92,832.90 and 35,579.80

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Solution

The fourth proportional to 61,823.80, 92,832.90 and 35,579.80 is: 53,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,823.80 : 92,832.90 = 35,579.80 : x
  2. Step 2: Convert to fraction form
    61,823.80/92,832.90 = 35,579.80/x
  3. Step 3: Cross multiply
    61,823.80x = 92,832.90 × 35,579.80
  4. Step 4: Simplify right side
    61,823.80x = 3,302,976,015.42
  5. Step 5: Solve for x
    x = 3,302,976,015.42/61,823.80
  6. Step 6: Final answer
    x = 53,425.64

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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.