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Finding the Fourth Proportional to 49,958.80, 74,573.72 and 43,653.05

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Solution

The fourth proportional to 49,958.80, 74,573.72 and 43,653.05 is: 65,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.80 : 74,573.72 = 43,653.05 : x
  2. Step 2: Convert to fraction form
    49,958.80/74,573.72 = 43,653.05/x
  3. Step 3: Cross multiply
    49,958.80x = 74,573.72 × 43,653.05
  4. Step 4: Simplify right side
    49,958.80x = 3,255,370,016.36
  5. Step 5: Solve for x
    x = 3,255,370,016.36/49,958.80
  6. Step 6: Final answer
    x = 65,161.10

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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.