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Finding the Fourth Proportional to 50,489.93, 69,650.48 and 38,532.51

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Solution

The fourth proportional to 50,489.93, 69,650.48 and 38,532.51 is: 53,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.93 : 69,650.48 = 38,532.51 : x
  2. Step 2: Convert to fraction form
    50,489.93/69,650.48 = 38,532.51/x
  3. Step 3: Cross multiply
    50,489.93x = 69,650.48 × 38,532.51
  4. Step 4: Simplify right side
    50,489.93x = 2,683,807,913.44
  5. Step 5: Solve for x
    x = 2,683,807,913.44/50,489.93
  6. Step 6: Final answer
    x = 53,155.31

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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.