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Finding the Fourth Proportional to 50,448.96, 69,627.87 and 38,489.70

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Solution

The fourth proportional to 50,448.96, 69,627.87 and 38,489.70 is: 53,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448.96 : 69,627.87 = 38,489.70 : x
  2. Step 2: Convert to fraction form
    50,448.96/69,627.87 = 38,489.70/x
  3. Step 3: Cross multiply
    50,448.96x = 69,627.87 × 38,489.70
  4. Step 4: Simplify right side
    50,448.96x = 2,679,955,827.94
  5. Step 5: Solve for x
    x = 2,679,955,827.94/50,448.96
  6. Step 6: Final answer
    x = 53,122.12

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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.