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Finding the Fourth Proportional to 65,874.31, 90,950.45 and 44,396.00

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Solution

The fourth proportional to 65,874.31, 90,950.45 and 44,396.00 is: 61,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,874.31 : 90,950.45 = 44,396.00 : x
  2. Step 2: Convert to fraction form
    65,874.31/90,950.45 = 44,396.00/x
  3. Step 3: Cross multiply
    65,874.31x = 90,950.45 × 44,396.00
  4. Step 4: Simplify right side
    65,874.31x = 4,037,835,842.53
  5. Step 5: Solve for x
    x = 4,037,835,842.53/65,874.31
  6. Step 6: Final answer
    x = 61,296.07

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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.