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Finding the Fourth Proportional to 76,616.82, 114,687.63 and 41,469.30

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Solution

The fourth proportional to 76,616.82, 114,687.63 and 41,469.30 is: 62,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616.82 : 114,687.63 = 41,469.30 : x
  2. Step 2: Convert to fraction form
    76,616.82/114,687.63 = 41,469.30/x
  3. Step 3: Cross multiply
    76,616.82x = 114,687.63 × 41,469.30
  4. Step 4: Simplify right side
    76,616.82x = 4,756,015,734.76
  5. Step 5: Solve for x
    x = 4,756,015,734.76/76,616.82
  6. Step 6: Final answer
    x = 62,075.35

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1.5x scale

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.