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Finding the Fourth Proportional to 50,656.73, 69,902.78 and 27,995.50

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Solution

The fourth proportional to 50,656.73, 69,902.78 and 27,995.50 is: 38,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,656.73 : 69,902.78 = 27,995.50 : x
  2. Step 2: Convert to fraction form
    50,656.73/69,902.78 = 27,995.50/x
  3. Step 3: Cross multiply
    50,656.73x = 69,902.78 × 27,995.50
  4. Step 4: Simplify right side
    50,656.73x = 1,956,963,277.49
  5. Step 5: Solve for x
    x = 1,956,963,277.49/50,656.73
  6. Step 6: Final answer
    x = 38,631.85

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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.