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Finding the Fourth Proportional to 61,519.98, 92,309.16 and 36,609.24

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Solution

The fourth proportional to 61,519.98, 92,309.16 and 36,609.24 is: 54,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.98 : 92,309.16 = 36,609.24 : x
  2. Step 2: Convert to fraction form
    61,519.98/92,309.16 = 36,609.24/x
  3. Step 3: Cross multiply
    61,519.98x = 92,309.16 × 36,609.24
  4. Step 4: Simplify right side
    61,519.98x = 3,379,368,192.64
  5. Step 5: Solve for x
    x = 3,379,368,192.64/61,519.98
  6. Step 6: Final answer
    x = 54,931.23

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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.