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Finding the Fourth Proportional to 25,800, 35,611.60 and 16,848.88

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Solution

The fourth proportional to 25,800, 35,611.60 and 16,848.88 is: 23,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800 : 35,611.60 = 16,848.88 : x
  2. Step 2: Convert to fraction form
    25,800/35,611.60 = 16,848.88/x
  3. Step 3: Cross multiply
    25,800x = 35,611.60 × 16,848.88
  4. Step 4: Simplify right side
    25,800x = 600,015,575.01
  5. Step 5: Solve for x
    x = 600,015,575.01/25,800
  6. Step 6: Final answer
    x = 23,256.42

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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.