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Finding the Fourth Proportional to 50,622.55, 69,858.78 and 27,963

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Solution

The fourth proportional to 50,622.55, 69,858.78 and 27,963 is: 38,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,622.55 : 69,858.78 = 27,963 : x
  2. Step 2: Convert to fraction form
    50,622.55/69,858.78 = 27,963/x
  3. Step 3: Cross multiply
    50,622.55x = 69,858.78 × 27,963
  4. Step 4: Simplify right side
    50,622.55x = 1,953,461,065.14
  5. Step 5: Solve for x
    x = 1,953,461,065.14/50,622.55
  6. Step 6: Final answer
    x = 38,588.75

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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.