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Finding the Fourth Proportional to 50,318.16, 69,437.16 and 27,963.60

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Solution

The fourth proportional to 50,318.16, 69,437.16 and 27,963.60 is: 38,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.16 : 69,437.16 = 27,963.60 : x
  2. Step 2: Convert to fraction form
    50,318.16/69,437.16 = 27,963.60/x
  3. Step 3: Cross multiply
    50,318.16x = 69,437.16 × 27,963.60
  4. Step 4: Simplify right side
    50,318.16x = 1,941,712,967.38
  5. Step 5: Solve for x
    x = 1,941,712,967.38/50,318.16
  6. Step 6: Final answer
    x = 38,588.71

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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.