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Finding the Fourth Proportional to 49,953.42, 68,928.75 and 48,609.42

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Solution

The fourth proportional to 49,953.42, 68,928.75 and 48,609.42 is: 67,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.42 : 68,928.75 = 48,609.42 : x
  2. Step 2: Convert to fraction form
    49,953.42/68,928.75 = 48,609.42/x
  3. Step 3: Cross multiply
    49,953.42x = 68,928.75 × 48,609.42
  4. Step 4: Simplify right side
    49,953.42x = 3,350,586,558.83
  5. Step 5: Solve for x
    x = 3,350,586,558.83/49,953.42
  6. Step 6: Final answer
    x = 67,074.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.