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Finding the Fourth Proportional to 27,611.75, 41,411.45 and 8,888.20

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Solution

The fourth proportional to 27,611.75, 41,411.45 and 8,888.20 is: 13,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.75 : 41,411.45 = 8,888.20 : x
  2. Step 2: Convert to fraction form
    27,611.75/41,411.45 = 8,888.20/x
  3. Step 3: Cross multiply
    27,611.75x = 41,411.45 × 8,888.20
  4. Step 4: Simplify right side
    27,611.75x = 368,073,168.58
  5. Step 5: Solve for x
    x = 368,073,168.58/27,611.75
  6. Step 6: Final answer
    x = 13,330.31

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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.