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Finding the Fourth Proportional to 50,986.86, 70,420.74 and 33,963.06

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Solution

The fourth proportional to 50,986.86, 70,420.74 and 33,963.06 is: 46,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.86 : 70,420.74 = 33,963.06 : x
  2. Step 2: Convert to fraction form
    50,986.86/70,420.74 = 33,963.06/x
  3. Step 3: Cross multiply
    50,986.86x = 70,420.74 × 33,963.06
  4. Step 4: Simplify right side
    50,986.86x = 2,391,703,817.86
  5. Step 5: Solve for x
    x = 2,391,703,817.86/50,986.86
  6. Step 6: Final answer
    x = 46,908.24

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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.