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Finding the Fourth Proportional to 49,870.50, 74,821.95 and 34,893.06

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Solution

The fourth proportional to 49,870.50, 74,821.95 and 34,893.06 is: 52,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.50 : 74,821.95 = 34,893.06 : x
  2. Step 2: Convert to fraction form
    49,870.50/74,821.95 = 34,893.06/x
  3. Step 3: Cross multiply
    49,870.50x = 74,821.95 × 34,893.06
  4. Step 4: Simplify right side
    49,870.50x = 2,610,766,790.67
  5. Step 5: Solve for x
    x = 2,610,766,790.67/49,870.50
  6. Step 6: Final answer
    x = 52,350.92

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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.