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Finding the Fourth Proportional to 61,583.70, 92,338.62 and 29,931.42

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Solution

The fourth proportional to 61,583.70, 92,338.62 and 29,931.42 is: 44,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,583.70 : 92,338.62 = 29,931.42 : x
  2. Step 2: Convert to fraction form
    61,583.70/92,338.62 = 29,931.42/x
  3. Step 3: Cross multiply
    61,583.70x = 92,338.62 × 29,931.42
  4. Step 4: Simplify right side
    61,583.70x = 2,763,826,017.44
  5. Step 5: Solve for x
    x = 2,763,826,017.44/61,583.70
  6. Step 6: Final answer
    x = 44,879.18

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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.