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Finding the Fourth Proportional to 10,994.88, 16,494.48 and 4,069.20

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Solution

The fourth proportional to 10,994.88, 16,494.48 and 4,069.20 is: 6,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.88 : 16,494.48 = 4,069.20 : x
  2. Step 2: Convert to fraction form
    10,994.88/16,494.48 = 4,069.20/x
  3. Step 3: Cross multiply
    10,994.88x = 16,494.48 × 4,069.20
  4. Step 4: Simplify right side
    10,994.88x = 67,119,338.02
  5. Step 5: Solve for x
    x = 67,119,338.02/10,994.88
  6. Step 6: Final answer
    x = 6,104.60

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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.