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Finding the Fourth Proportional to 10,171, 15,261.06 and 4,625.80

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Solution

The fourth proportional to 10,171, 15,261.06 and 4,625.80 is: 6,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171 : 15,261.06 = 4,625.80 : x
  2. Step 2: Convert to fraction form
    10,171/15,261.06 = 4,625.80/x
  3. Step 3: Cross multiply
    10,171x = 15,261.06 × 4,625.80
  4. Step 4: Simplify right side
    10,171x = 70,594,611.35
  5. Step 5: Solve for x
    x = 70,594,611.35/10,171
  6. Step 6: Final answer
    x = 6,940.77

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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.