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Finding the Fourth Proportional to 50,561.94, 69,776.82 and 27,901.20

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Solution

The fourth proportional to 50,561.94, 69,776.82 and 27,901.20 is: 38,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,561.94 : 69,776.82 = 27,901.20 : x
  2. Step 2: Convert to fraction form
    50,561.94/69,776.82 = 27,901.20/x
  3. Step 3: Cross multiply
    50,561.94x = 69,776.82 × 27,901.20
  4. Step 4: Simplify right side
    50,561.94x = 1,946,857,010.18
  5. Step 5: Solve for x
    x = 1,946,857,010.18/50,561.94
  6. Step 6: Final answer
    x = 38,504.40

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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.