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Finding the Fourth Proportional to 65,971.53, 91,054.53 and 44,757.63

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Solution

The fourth proportional to 65,971.53, 91,054.53 and 44,757.63 is: 61,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.53 : 91,054.53 = 44,757.63 : x
  2. Step 2: Convert to fraction form
    65,971.53/91,054.53 = 44,757.63/x
  3. Step 3: Cross multiply
    65,971.53x = 91,054.53 × 44,757.63
  4. Step 4: Simplify right side
    65,971.53x = 4,075,384,963.56
  5. Step 5: Solve for x
    x = 4,075,384,963.56/65,971.53
  6. Step 6: Final answer
    x = 61,774.90

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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.