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Finding the Fourth Proportional to 10,964.20, 16,470.60 and 10,672.60

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Solution

The fourth proportional to 10,964.20, 16,470.60 and 10,672.60 is: 16,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.20 : 16,470.60 = 10,672.60 : x
  2. Step 2: Convert to fraction form
    10,964.20/16,470.60 = 10,672.60/x
  3. Step 3: Cross multiply
    10,964.20x = 16,470.60 × 10,672.60
  4. Step 4: Simplify right side
    10,964.20x = 175,784,125.56
  5. Step 5: Solve for x
    x = 175,784,125.56/10,964.20
  6. Step 6: Final answer
    x = 16,032.55

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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.