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Finding the Fourth Proportional to 32,680.80, 49,021.20 and 17,096.40

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Solution

The fourth proportional to 32,680.80, 49,021.20 and 17,096.40 is: 25,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.80 : 49,021.20 = 17,096.40 : x
  2. Step 2: Convert to fraction form
    32,680.80/49,021.20 = 17,096.40/x
  3. Step 3: Cross multiply
    32,680.80x = 49,021.20 × 17,096.40
  4. Step 4: Simplify right side
    32,680.80x = 838,086,043.68
  5. Step 5: Solve for x
    x = 838,086,043.68/32,680.80
  6. Step 6: Final answer
    x = 25,644.60

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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.