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Finding the Fourth Proportional to 51,610.94, 71,140.80 and 38,844.94

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Solution

The fourth proportional to 51,610.94, 71,140.80 and 38,844.94 is: 53,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,610.94 : 71,140.80 = 38,844.94 : x
  2. Step 2: Convert to fraction form
    51,610.94/71,140.80 = 38,844.94/x
  3. Step 3: Cross multiply
    51,610.94x = 71,140.80 × 38,844.94
  4. Step 4: Simplify right side
    51,610.94x = 2,763,460,107.55
  5. Step 5: Solve for x
    x = 2,763,460,107.55/51,610.94
  6. Step 6: Final answer
    x = 53,544.08

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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.