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Finding the Fourth Proportional to 49,616.99, 74,756.48 and 44,878.62

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Solution

The fourth proportional to 49,616.99, 74,756.48 and 44,878.62 is: 67,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,616.99 : 74,756.48 = 44,878.62 : x
  2. Step 2: Convert to fraction form
    49,616.99/74,756.48 = 44,878.62/x
  3. Step 3: Cross multiply
    49,616.99x = 74,756.48 × 44,878.62
  4. Step 4: Simplify right side
    49,616.99x = 3,354,967,434.06
  5. Step 5: Solve for x
    x = 3,354,967,434.06/49,616.99
  6. Step 6: Final answer
    x = 67,617.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.