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Finding the Fourth Proportional to 25,893, 38,863.80 and 11,860.56

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Solution

The fourth proportional to 25,893, 38,863.80 and 11,860.56 is: 17,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893 : 38,863.80 = 11,860.56 : x
  2. Step 2: Convert to fraction form
    25,893/38,863.80 = 11,860.56/x
  3. Step 3: Cross multiply
    25,893x = 38,863.80 × 11,860.56
  4. Step 4: Simplify right side
    25,893x = 460,946,431.73
  5. Step 5: Solve for x
    x = 460,946,431.73/25,893
  6. Step 6: Final answer
    x = 17,801.97

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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.