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Finding the Fourth Proportional to 65,955.50, 91,024.35 and 36,153.26

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Solution

The fourth proportional to 65,955.50, 91,024.35 and 36,153.26 is: 49,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.50 : 91,024.35 = 36,153.26 : x
  2. Step 2: Convert to fraction form
    65,955.50/91,024.35 = 36,153.26/x
  3. Step 3: Cross multiply
    65,955.50x = 91,024.35 × 36,153.26
  4. Step 4: Simplify right side
    65,955.50x = 3,290,826,991.88
  5. Step 5: Solve for x
    x = 3,290,826,991.88/65,955.50
  6. Step 6: Final answer
    x = 49,894.66

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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.