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Finding the Fourth Proportional to 10,672.61, 16,008.21 and 3,276.45

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Solution

The fourth proportional to 10,672.61, 16,008.21 and 3,276.45 is: 4,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.61 : 16,008.21 = 3,276.45 : x
  2. Step 2: Convert to fraction form
    10,672.61/16,008.21 = 3,276.45/x
  3. Step 3: Cross multiply
    10,672.61x = 16,008.21 × 3,276.45
  4. Step 4: Simplify right side
    10,672.61x = 52,450,099.65
  5. Step 5: Solve for x
    x = 52,450,099.65/10,672.61
  6. Step 6: Final answer
    x = 4,914.46

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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.