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Finding the Fourth Proportional to 49,449.78, 73,814.97 and 45,795.06

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Solution

The fourth proportional to 49,449.78, 73,814.97 and 45,795.06 is: 68,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.78 : 73,814.97 = 45,795.06 : x
  2. Step 2: Convert to fraction form
    49,449.78/73,814.97 = 45,795.06/x
  3. Step 3: Cross multiply
    49,449.78x = 73,814.97 × 45,795.06
  4. Step 4: Simplify right side
    49,449.78x = 3,380,360,980.05
  5. Step 5: Solve for x
    x = 3,380,360,980.05/49,449.78
  6. Step 6: Final answer
    x = 68,359.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.