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Finding the Fourth Proportional to 25,102.94, 37,629.92 and 11,951.78

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Solution

The fourth proportional to 25,102.94, 37,629.92 and 11,951.78 is: 17,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.94 : 37,629.92 = 11,951.78 : x
  2. Step 2: Convert to fraction form
    25,102.94/37,629.92 = 11,951.78/x
  3. Step 3: Cross multiply
    25,102.94x = 37,629.92 × 11,951.78
  4. Step 4: Simplify right side
    25,102.94x = 449,744,525.26
  5. Step 5: Solve for x
    x = 449,744,525.26/25,102.94
  6. Step 6: Final answer
    x = 17,916.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.