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Finding the Fourth Proportional to 50,174.30, 69,243.64 and 27,818.30

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Solution

The fourth proportional to 50,174.30, 69,243.64 and 27,818.30 is: 38,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,174.30 : 69,243.64 = 27,818.30 : x
  2. Step 2: Convert to fraction form
    50,174.30/69,243.64 = 27,818.30/x
  3. Step 3: Cross multiply
    50,174.30x = 69,243.64 × 27,818.30
  4. Step 4: Simplify right side
    50,174.30x = 1,926,240,350.61
  5. Step 5: Solve for x
    x = 1,926,240,350.61/50,174.30
  6. Step 6: Final answer
    x = 38,390.98

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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.