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Finding the Fourth Proportional to 10,984.88, 16,479.48 and 4,059.44

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Solution

The fourth proportional to 10,984.88, 16,479.48 and 4,059.44 is: 6,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.88 : 16,479.48 = 4,059.44 : x
  2. Step 2: Convert to fraction form
    10,984.88/16,479.48 = 4,059.44/x
  3. Step 3: Cross multiply
    10,984.88x = 16,479.48 × 4,059.44
  4. Step 4: Simplify right side
    10,984.88x = 66,897,460.29
  5. Step 5: Solve for x
    x = 66,897,460.29/10,984.88
  6. Step 6: Final answer
    x = 6,089.96

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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.