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Finding the Fourth Proportional to 45,776.54, 68,544.66 and 36,844.40

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Solution

The fourth proportional to 45,776.54, 68,544.66 and 36,844.40 is: 55,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,776.54 : 68,544.66 = 36,844.40 : x
  2. Step 2: Convert to fraction form
    45,776.54/68,544.66 = 36,844.40/x
  3. Step 3: Cross multiply
    45,776.54x = 68,544.66 × 36,844.40
  4. Step 4: Simplify right side
    45,776.54x = 2,525,486,870.90
  5. Step 5: Solve for x
    x = 2,525,486,870.90/45,776.54
  6. Step 6: Final answer
    x = 55,169.89

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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.